{"id":383,"date":"2019-07-15T22:44:37","date_gmt":"2019-07-15T22:44:37","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/waymakercollegealgebracorequisite\/chapter\/graph-nonlinear-inequalities-and-systems-of-nonlinear-inequalities\/"},"modified":"2019-07-15T22:44:37","modified_gmt":"2019-07-15T22:44:37","slug":"graph-nonlinear-inequalities-and-systems-of-nonlinear-inequalities","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/ntcc-collegealgebracorequisite\/chapter\/graph-nonlinear-inequalities-and-systems-of-nonlinear-inequalities\/","title":{"raw":"Graph Nonlinear Inequalities and Systems of Nonlinear Inequalities","rendered":"Graph Nonlinear Inequalities and Systems of Nonlinear Inequalities"},"content":{"raw":"\n<div class=\"textbox learning-objectives\">\n<h3>Learning Outcomes<\/h3>\n<ul>\n \t<li>Graph a non linear inequality.<\/li>\n \t<li>Graph a system of nonlinear inequalities.<\/li>\n<\/ul>\n<\/div>\nAll of the equations in the systems that we have encountered so far have involved equalities, but we may also encounter systems that involve inequalities. We have already learned to graph linear inequalities by graphing the corresponding equation, and then shading the region represented by the <strong>inequality<\/strong> symbol. As a reminder, here is one to try. Choose the type of line first, then graph it, and click on the side that satisfies the inequality.\n<div class=\"textbox key-takeaways\">\n<h3>try it<\/h3>\n[ohm_question]19940[\/ohm_question]\n\n<\/div>\nNow we will follow similar steps to graph a nonlinear inequality so that we can learn to solve systems of nonlinear inequalities. A <strong>nonlinear inequality<\/strong> is an inequality containing a nonlinear expression. Graphing a nonlinear inequality is much like graphing a linear inequality.\n<div class=\"textbox examples\">\n<h3>recall graphing nonlinear equations<\/h3>\nNonlinear equations may be any type of equation you have studied so far than is not the equation of a line. They may be parabolas, as in the examples below, or any of the curves you've studied.\n\nFeel free to return to earlier sections on functions to recall how to graph them by plotting points or by transforming the parent function.\n\n<\/div>\nRecall that when the inequality is strictly greater than, [latex]y&gt;a[\/latex], or less than, [latex]y&lt;a,\\text{}[\/latex] the graph is drawn with a dashed line. When the inequality is greater than or equal to, [latex]y\\ge a,\\text{}[\/latex] or less than or equal to, [latex]y\\le a,\\text{}[\/latex] the graph is drawn with a solid line. The graphs will create regions in the plane, and we will test each region for a solution. If one point in the region works, the whole region works. That is the region we shade.\n\n[caption id=\"\" align=\"aligncenter\" width=\"975\"]<img src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2016\/11\/03190519\/CNX_Precalc_Figure_09_03_0092.jpg\" alt=\"Four parabolas. For y greater than x squared minus 4 the parabola is dotted, and the region above the parabola is shaded. For y greater than or equal to x squared minus 4 the parabola is solid, and the region above it is shaded. For y less than x squared minus 4 the parabola is dotted, and the region below it is shaded. For y less than or equal to x squared minus 4 the parabola is solid, and the region below it is shaded.\" width=\"975\" height=\"469\"> (a) an example of [latex]y&gt;a[\/latex]; (b) an example of [latex]y\\ge a[\/latex]; (c) an example of [latex]y&lt;a[\/latex]; (d) an example of [latex]y\\le a[\/latex][\/caption]\n<div class=\"textbox\">\n<h3>How To: Given an inequality bounded by a parabola, sketch a graph.<\/h3>\n<ol>\n \t<li>Graph the parabola as if it were an equation. This is the boundary for the region that is the solution set.<\/li>\n \t<li>If the boundary is included in the region (the operator is [latex]\\le [\/latex] or [latex]\\ge [\/latex] ), the parabola is graphed as a solid line.<\/li>\n \t<li>If the boundary is not included in the region (the operator is &lt; or &gt;), the parabola is graphed as a dashed line.<\/li>\n \t<li>Test a point in one of the regions to determine whether it satisfies the inequality statement. If the statement is true, the solution set is the region including the point. If the statement is false, the solution set is the region on the other side of the boundary line.<\/li>\n \t<li>Shade the region representing the solution set.<\/li>\n<\/ol>\n<\/div>\n<div class=\"textbox exercises\">\n<h3>Example: Graphing an Inequality for a Parabola<\/h3>\nGraph the inequality [latex]y&gt;{x}^{2}+1[\/latex].\n\n[reveal-answer q=\"403901\"]Show Solution[\/reveal-answer]\n[hidden-answer a=\"403901\"]\n\nFirst, graph the corresponding equation [latex]y={x}^{2}+1[\/latex].\n\nSince [latex]y&gt;{x}^{2}+1[\/latex] has a greater than symbol, we draw the graph with a dashed line. Then we choose points to test both inside and outside the parabola. Let\u2019s test the points&nbsp;[latex]\\left(0,2\\right)[\/latex] and [latex]\\left(2,0\\right)[\/latex]. One point is clearly inside the parabola and the other point is clearly outside.\n<p style=\"text-align: center\">[latex]\\begin{align}y&amp;&gt;{x}^{2}+1 \\\\ 2&amp;&gt;{\\left(0\\right)}^{2}+1 \\\\ 2&amp;&gt;1 &amp;&amp;\\text{True} \\\\[5mm] 0&amp;&gt;{\\left(2\\right)}^{2}+1 \\\\ 0&amp;&gt;5 &amp;&amp;\\text{False} \\end{align}[\/latex]<\/p>\nThe graph is shown below. We can see that the solution set consists of all points inside the parabola, but not on the graph itself.\n\n<img class=\"aligncenter\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2016\/11\/03190521\/CNX_Precalc_Figure_09_03_0102.jpg\" alt=\"A dotted parabola with the region above it shaded. The point 0,2 is within the shaded region. The point 2,0 is not within the shaded region.\" width=\"487\" height=\"328\">\n\n[\/hidden-answer]\n\n<\/div>\n<div class=\"textbox key-takeaways\">\n<h3>Try it<\/h3>\n[embed]https:\/\/ohm.lumenlearning.com\/multiembedq.php?id=127575&amp;theme=oea&amp;iframe_resize_id=mom11[\/embed]\n\n<\/div>\n<h2>Graphing a System of Nonlinear Inequalities<\/h2>\nNow that we have learned to graph nonlinear inequalities, we can learn how to graph systems of nonlinear inequalities. A <strong>system of nonlinear inequalities<\/strong> is a system of two or more inequalities in two or more variables containing at least one inequality that is not linear. Graphing a system of nonlinear inequalities is similar to graphing a system of linear inequalities. The difference is that our graph may result in more shaded regions that represent a solution than we find in a system of linear inequalities. The solution to a nonlinear system of inequalities is the region of the graph where the shaded regions of the graph of each inequality overlap, or where the regions intersect, called the <strong>feasible region<\/strong>.\n<div class=\"textbox\">\n<h3>How To: Given a system of nonlinear inequalities, sketch a graph.<\/h3>\n<ol>\n \t<li>Find the intersection points by solving the corresponding system of nonlinear equations.<\/li>\n \t<li>Graph the nonlinear equations.<\/li>\n \t<li>Find the shaded regions of each inequality.<\/li>\n \t<li>Identify the feasible region as the intersection of the shaded regions of each inequality or the set of points common to each inequality.<\/li>\n<\/ol>\n<\/div>\n<div class=\"textbox exercises\">\n<h3>Example: Graphing a System of Inequalities<\/h3>\nGraph the given system of inequalities.\n<p style=\"text-align: center\">[latex]\\begin{gathered} {x}^{2}-y\\le 0\\\\ 2{x}^{2}+y\\le 12\\end{gathered}[\/latex]<\/p>\n[reveal-answer q=\"801753\"]Show Solution[\/reveal-answer]\n[hidden-answer a=\"801753\"]\n\nThese two equations are clearly parabolas. We can find the points of intersection by the elimination process: Add both equations and the variable [latex]y[\/latex] will be eliminated. Then we solve for [latex]x[\/latex].\n<p style=\"text-align: center\">[latex]\\begin{align} x^{2}\u2212y&amp;=0 \\\\ 2x^{2}+y&amp;=12 \\\\ \\hline 3x^{2}&amp;=12 \\\\ x^{2}&amp;=4 \\\\ x&amp;=\\pm 2\\end{align}[\/latex]<\/p>\nSubstitute the <em>x<\/em>-values into one of the equations and solve for <em>y<\/em>.\n<p style=\"text-align: center\">[latex]\\begin{align} {x}^{2}-y&amp;=0\\\\ {\\left(2\\right)}^{2}-y&amp;=0\\\\ 4-y&amp;=0\\\\ y&amp;=4\\\\[5mm] {\\left(-2\\right)}^{2}-y&amp;=0\\\\ 4-y&amp;=0\\\\ y&amp;=4\\end{align}[\/latex]<\/p>\nThe two points of intersection are [latex]\\left(2,4\\right)[\/latex] and [latex]\\left(-2,4\\right)[\/latex]. Notice that the equations can be rewritten as follows.\n<p style=\"text-align: center\">[latex]\\begin{align}{x}^{2}-y&amp;\\le 0 \\\\ {x}^{2}&amp;\\le y \\\\ y&amp;\\ge {x}^{2}\\end{align}[\/latex]<\/p>\n&nbsp;\n<p style=\"text-align: center\">[latex]\\begin{gathered} 2{x}^{2}+y\\le 12 \\\\ y\\le -2{x}^{2}+12 \\end{gathered}[\/latex]<\/p>\nGraph each inequality.&nbsp;The feasible region is the region between the two equations bounded by [latex]2{x}^{2}+y\\le 12[\/latex] on the top and [latex]{x}^{2}-y\\le 0[\/latex] on the bottom.\n\n<img class=\"aligncenter\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2016\/11\/03190523\/CNX_Precalc_Figure_09_03_0112.jpg\" alt=\"Two parabolas that intersect at the points negative 2, four and two, four. The region above the orange parabola is shaded, and the region below the blue parabola is shaded.\" width=\"487\" height=\"367\">\n\n[\/hidden-answer]\n\n<\/div>\n<div class=\"textbox key-takeaways\">\n<h3>Try It<\/h3>\nGraph the given system of inequalities.\n<p style=\"text-align: center\">[latex]\\begin{gathered}y\\ge {x}^{2}-1 \\\\ x-y\\ge -1 \\end{gathered}[\/latex]<\/p>\n[reveal-answer q=\"689015\"]Show Solution[\/reveal-answer]\n[hidden-answer a=\"689015\"]\n\nShade the area bounded by the two curves, above the quadratic and below the line.\n\n<img class=\"aligncenter size-full wp-image-3175\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2017\/01\/19182112\/CNX_Precalc_Figure_09_03_0122.jpg\" alt=\"A line intersecting a parabola at the points negative one, zero and two, three. The region under the line but above the parabola is shaded.\" width=\"487\" height=\"442\">\n\n[\/hidden-answer]\n\n[embed]https:\/\/ohm.lumenlearning.com\/multiembedq.php?id=70349&amp;theme=oea&amp;iframe_resize_id=mom1[\/embed]\n\n<\/div>\n","rendered":"<div class=\"textbox learning-objectives\">\n<h3>Learning Outcomes<\/h3>\n<ul>\n<li>Graph a non linear inequality.<\/li>\n<li>Graph a system of nonlinear inequalities.<\/li>\n<\/ul>\n<\/div>\n<p>All of the equations in the systems that we have encountered so far have involved equalities, but we may also encounter systems that involve inequalities. We have already learned to graph linear inequalities by graphing the corresponding equation, and then shading the region represented by the <strong>inequality<\/strong> symbol. As a reminder, here is one to try. Choose the type of line first, then graph it, and click on the side that satisfies the inequality.<\/p>\n<div class=\"textbox key-takeaways\">\n<h3>try it<\/h3>\n<p><iframe loading=\"lazy\" id=\"ohm19940\" class=\"resizable\" src=\"https:\/\/ohm.lumenlearning.com\/multiembedq.php?id=19940&theme=oea&iframe_resize_id=ohm19940&show_question_numbers\" width=\"100%\" height=\"150\"><\/iframe><\/p>\n<\/div>\n<p>Now we will follow similar steps to graph a nonlinear inequality so that we can learn to solve systems of nonlinear inequalities. A <strong>nonlinear inequality<\/strong> is an inequality containing a nonlinear expression. Graphing a nonlinear inequality is much like graphing a linear inequality.<\/p>\n<div class=\"textbox examples\">\n<h3>recall graphing nonlinear equations<\/h3>\n<p>Nonlinear equations may be any type of equation you have studied so far than is not the equation of a line. They may be parabolas, as in the examples below, or any of the curves you&#8217;ve studied.<\/p>\n<p>Feel free to return to earlier sections on functions to recall how to graph them by plotting points or by transforming the parent function.<\/p>\n<\/div>\n<p>Recall that when the inequality is strictly greater than, [latex]y>a[\/latex], or less than, [latex]y<a,\\text{}[\/latex] the graph is drawn with a dashed line. When the inequality is greater than or equal to, [latex]y\\ge a,\\text{}[\/latex] or less than or equal to, [latex]y\\le a,\\text{}[\/latex] the graph is drawn with a solid line. The graphs will create regions in the plane, and we will test each region for a solution. If one point in the region works, the whole region works. That is the region we shade.\n\n\n\n<div style=\"width: 985px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2016\/11\/03190519\/CNX_Precalc_Figure_09_03_0092.jpg\" alt=\"Four parabolas. For y greater than x squared minus 4 the parabola is dotted, and the region above the parabola is shaded. For y greater than or equal to x squared minus 4 the parabola is solid, and the region above it is shaded. For y less than x squared minus 4 the parabola is dotted, and the region below it is shaded. For y less than or equal to x squared minus 4 the parabola is solid, and the region below it is shaded.\" width=\"975\" height=\"469\" \/><\/p>\n<p class=\"wp-caption-text\">(a) an example of [latex]y&gt;a[\/latex]; (b) an example of [latex]y\\ge a[\/latex]; (c) an example of [latex]y&lt;a[\/latex]; (d) an example of [latex]y\\le a[\/latex]<\/p>\n<\/div>\n<div class=\"textbox\">\n<h3>How To: Given an inequality bounded by a parabola, sketch a graph.<\/h3>\n<ol>\n<li>Graph the parabola as if it were an equation. This is the boundary for the region that is the solution set.<\/li>\n<li>If the boundary is included in the region (the operator is [latex]\\le[\/latex] or [latex]\\ge[\/latex] ), the parabola is graphed as a solid line.<\/li>\n<li>If the boundary is not included in the region (the operator is &lt; or &gt;), the parabola is graphed as a dashed line.<\/li>\n<li>Test a point in one of the regions to determine whether it satisfies the inequality statement. If the statement is true, the solution set is the region including the point. If the statement is false, the solution set is the region on the other side of the boundary line.<\/li>\n<li>Shade the region representing the solution set.<\/li>\n<\/ol>\n<\/div>\n<div class=\"textbox exercises\">\n<h3>Example: Graphing an Inequality for a Parabola<\/h3>\n<p>Graph the inequality [latex]y>{x}^{2}+1[\/latex].<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q403901\">Show Solution<\/span><\/p>\n<div id=\"q403901\" class=\"hidden-answer\" style=\"display: none\">\n<p>First, graph the corresponding equation [latex]y={x}^{2}+1[\/latex].<\/p>\n<p>Since [latex]y>{x}^{2}+1[\/latex] has a greater than symbol, we draw the graph with a dashed line. Then we choose points to test both inside and outside the parabola. Let\u2019s test the points&nbsp;[latex]\\left(0,2\\right)[\/latex] and [latex]\\left(2,0\\right)[\/latex]. One point is clearly inside the parabola and the other point is clearly outside.<\/p>\n<p style=\"text-align: center\">[latex]\\begin{align}y&>{x}^{2}+1 \\\\ 2&>{\\left(0\\right)}^{2}+1 \\\\ 2&>1 &&\\text{True} \\\\[5mm] 0&>{\\left(2\\right)}^{2}+1 \\\\ 0&>5 &&\\text{False} \\end{align}[\/latex]<\/p>\n<p>The graph is shown below. We can see that the solution set consists of all points inside the parabola, but not on the graph itself.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2016\/11\/03190521\/CNX_Precalc_Figure_09_03_0102.jpg\" alt=\"A dotted parabola with the region above it shaded. The point 0,2 is within the shaded region. The point 2,0 is not within the shaded region.\" width=\"487\" height=\"328\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"textbox key-takeaways\">\n<h3>Try it<\/h3>\n<p><iframe loading=\"lazy\" id=\"ohm127575\" class=\"resizable\" src=\"https:\/\/ohm.lumenlearning.com\/multiembedq.php?id=127575&#38;theme=oea&#38;iframe_resize_id=ohm127575&#38;show_question_numbers\" width=\"100%\" height=\"150\"><\/iframe><\/p>\n<\/div>\n<h2>Graphing a System of Nonlinear Inequalities<\/h2>\n<p>Now that we have learned to graph nonlinear inequalities, we can learn how to graph systems of nonlinear inequalities. A <strong>system of nonlinear inequalities<\/strong> is a system of two or more inequalities in two or more variables containing at least one inequality that is not linear. Graphing a system of nonlinear inequalities is similar to graphing a system of linear inequalities. The difference is that our graph may result in more shaded regions that represent a solution than we find in a system of linear inequalities. The solution to a nonlinear system of inequalities is the region of the graph where the shaded regions of the graph of each inequality overlap, or where the regions intersect, called the <strong>feasible region<\/strong>.<\/p>\n<div class=\"textbox\">\n<h3>How To: Given a system of nonlinear inequalities, sketch a graph.<\/h3>\n<ol>\n<li>Find the intersection points by solving the corresponding system of nonlinear equations.<\/li>\n<li>Graph the nonlinear equations.<\/li>\n<li>Find the shaded regions of each inequality.<\/li>\n<li>Identify the feasible region as the intersection of the shaded regions of each inequality or the set of points common to each inequality.<\/li>\n<\/ol>\n<\/div>\n<div class=\"textbox exercises\">\n<h3>Example: Graphing a System of Inequalities<\/h3>\n<p>Graph the given system of inequalities.<\/p>\n<p style=\"text-align: center\">[latex]\\begin{gathered} {x}^{2}-y\\le 0\\\\ 2{x}^{2}+y\\le 12\\end{gathered}[\/latex]<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q801753\">Show Solution<\/span><\/p>\n<div id=\"q801753\" class=\"hidden-answer\" style=\"display: none\">\n<p>These two equations are clearly parabolas. We can find the points of intersection by the elimination process: Add both equations and the variable [latex]y[\/latex] will be eliminated. Then we solve for [latex]x[\/latex].<\/p>\n<p style=\"text-align: center\">[latex]\\begin{align} x^{2}\u2212y&=0 \\\\ 2x^{2}+y&=12 \\\\ \\hline 3x^{2}&=12 \\\\ x^{2}&=4 \\\\ x&=\\pm 2\\end{align}[\/latex]<\/p>\n<p>Substitute the <em>x<\/em>-values into one of the equations and solve for <em>y<\/em>.<\/p>\n<p style=\"text-align: center\">[latex]\\begin{align} {x}^{2}-y&=0\\\\ {\\left(2\\right)}^{2}-y&=0\\\\ 4-y&=0\\\\ y&=4\\\\[5mm] {\\left(-2\\right)}^{2}-y&=0\\\\ 4-y&=0\\\\ y&=4\\end{align}[\/latex]<\/p>\n<p>The two points of intersection are [latex]\\left(2,4\\right)[\/latex] and [latex]\\left(-2,4\\right)[\/latex]. Notice that the equations can be rewritten as follows.<\/p>\n<p style=\"text-align: center\">[latex]\\begin{align}{x}^{2}-y&\\le 0 \\\\ {x}^{2}&\\le y \\\\ y&\\ge {x}^{2}\\end{align}[\/latex]<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center\">[latex]\\begin{gathered} 2{x}^{2}+y\\le 12 \\\\ y\\le -2{x}^{2}+12 \\end{gathered}[\/latex]<\/p>\n<p>Graph each inequality.&nbsp;The feasible region is the region between the two equations bounded by [latex]2{x}^{2}+y\\le 12[\/latex] on the top and [latex]{x}^{2}-y\\le 0[\/latex] on the bottom.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2016\/11\/03190523\/CNX_Precalc_Figure_09_03_0112.jpg\" alt=\"Two parabolas that intersect at the points negative 2, four and two, four. The region above the orange parabola is shaded, and the region below the blue parabola is shaded.\" width=\"487\" height=\"367\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"textbox key-takeaways\">\n<h3>Try It<\/h3>\n<p>Graph the given system of inequalities.<\/p>\n<p style=\"text-align: center\">[latex]\\begin{gathered}y\\ge {x}^{2}-1 \\\\ x-y\\ge -1 \\end{gathered}[\/latex]<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q689015\">Show Solution<\/span><\/p>\n<div id=\"q689015\" class=\"hidden-answer\" style=\"display: none\">\n<p>Shade the area bounded by the two curves, above the quadratic and below the line.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3175\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/896\/2017\/01\/19182112\/CNX_Precalc_Figure_09_03_0122.jpg\" alt=\"A line intersecting a parabola at the points negative one, zero and two, three. The region under the line but above the parabola is shaded.\" width=\"487\" height=\"442\" \/><\/p>\n<\/div>\n<\/div>\n<p><iframe loading=\"lazy\" id=\"ohm70349\" class=\"resizable\" src=\"https:\/\/ohm.lumenlearning.com\/multiembedq.php?id=70349&#38;theme=oea&#38;iframe_resize_id=ohm70349&#38;show_question_numbers\" width=\"100%\" height=\"150\"><\/iframe><\/p>\n<\/div>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-383\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Original<\/div><ul class=\"citation-list\"><li>Revision and Adaptation. <strong>Provided by<\/strong>: Lumen Learning. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>College Algebra. <strong>Authored by<\/strong>: Abramson, Jay et al.. <strong>Provided by<\/strong>: OpenStax. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@5.2\">http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@5.2<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em>. <strong>License Terms<\/strong>: Download for free at http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@5.2<\/li><li>Question ID 127575. <strong>Authored by<\/strong>: Day, Alyson. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em>. <strong>License Terms<\/strong>: IMathAS Community License CC-BY + GPL<\/li><li>Question ID 70349. <strong>Authored by<\/strong>: Shahbazian,Roy. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em>. <strong>License Terms<\/strong>: IMathAS Community License CC-BY + GPL<\/li><li>Question ID 19940. <strong>Authored by<\/strong>: Georgiakaki,Sophia. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em>. <strong>License Terms<\/strong>: IMathAS Community License CC-BY + GPL<\/li><\/ul><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Specific attribution<\/div><ul class=\"citation-list\"><li>Precalculus. <strong>Authored by<\/strong>: OpenStax College. <strong>Provided by<\/strong>: OpenStax. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/cnx.org\/contents\/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175:1\/Preface\">http:\/\/cnx.org\/contents\/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175:1\/Preface<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":17533,"menu_order":15,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc-attribution\",\"description\":\"Precalculus\",\"author\":\"OpenStax College\",\"organization\":\"OpenStax\",\"url\":\"http:\/\/cnx.org\/contents\/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175:1\/Preface\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"\"},{\"type\":\"original\",\"description\":\"Revision and Adaptation\",\"author\":\"\",\"organization\":\"Lumen 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