document.write( "Question 72923: 3) \r
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\n" ); document.write( "\n" ); document.write( "Given the table above, graph the function, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the graph, and also the domain and range of the entire function.\r
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Algebra.Com's Answer #52157 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "x  -2 -1 0 1 2\r\n" );
document.write( "y .25 .5 1 2 4 \r\n" );
document.write( "Given the table above, graph the function, \r\n" );
document.write( "identify the graph of the function (line, \r\n" );
document.write( "parabola, hyperbola, or exponential), \r\n" );
document.write( "explain your choice, and give the domain \r\n" );
document.write( "and range as shown in the graph, and also \r\n" );
document.write( "the domain and range of the entire function. \r\n" );
document.write( "Graph \r\n" );
document.write( "Graph Type \r\n" );
document.write( "Explanation \r\n" );
document.write( "Domain \r\n" );
document.write( "Range \r\n" );
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document.write( "Plot those points, connect them with a smooth\r\n" );
document.write( "curve and get this:\r\n" );
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document.write( "\"+graph%28+240%2C+300%2C+-2%2C+2.1%2C+-1%2C+4.1%2C+2%5Ex%29+\"\r\n" );
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document.write( "That graph looks like an exponential function, \r\n" );
document.write( "because an exponential function has the x-axis \r\n" );
document.write( "as its horizontal asymptote on the left and it \r\n" );
document.write( "passes through y-intercept (0,1) and \"sky-rockets\"\r\n" );
document.write( "thereafter on the right.\r\n" );
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document.write( "Its domain is (-¥,¥) because the curve projects \r\n" );
document.write( "downward onto the entire x-axis.\r\n" );
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document.write( "Its range is (0,¥) because the entire curve \r\n" );
document.write( "projects right and left onto only the top half \r\n" );
document.write( "of the y-axis, (0,¥)\r\n" );
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document.write( "BTW its equation is y = 2x.  If you need to know\r\n" );
document.write( "this and why, post again.\r\n" );
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document.write( "Edwin

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