document.write( "Question 1203502: What is the range of the function given by the following graph, and how did you figure it out?
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Algebra.Com's Answer #839118 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "It have vertical asymptotes x=4 and x=-4, so the denominator\r\n" );
document.write( "must contain (x-4)(x+4).\r\n" );
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document.write( "It has the x-axis as a horizontal asymptote, so the numerator\r\n" );
document.write( "must be of lower degree than the denominator. so it has the\r\n" );
document.write( "form: \r\n" );
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document.write( "It passes through (0,-3), so f(0) = -3\r\n" );
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document.write( "It is symmetrical with respect to the y axis, \r\n" );
document.write( "therefore f(x) = f(-x)\r\n" );
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document.write( "So\r\n" );
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document.write( "a = -a for all values of x, thus a=0\r\n" );
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document.write( "The equation is\r\n" );
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document.write( "The range is (-infinity,-3] U (0,infinity)\r\n" );
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document.write( "Edwin

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