document.write( "Question 1184872: This question stumps me. The way I solved it was using the foil method but I didn't get it right.\r
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document.write( "f(x) = x+1
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document.write( "g(x) = x^2+4\r
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document.write( "A) (f*g)(x)
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document.write( "B) (g*f)(x)
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document.write( "C) (f*f)(x)
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document.write( "D) (g*g)(x)\r
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document.write( "The answers I got were,\r
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document.write( "A) x^3+x^2+4x+4
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document.write( "B) x^3+x^2+4x+4
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document.write( "C) x^2+2x+1
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document.write( "D) x^4+8x^2+16\r
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document.write( "Do we have to supply a point for X or am I just thinking way too hard into it?
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document.write( "Also, the way we have to write the function is from largest degree to the smallest degree, for example, 2x^2-4x+5, and I thought I did that but my answers are probably just wrong. :/ \n" );
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Algebra.Com's Answer #815517 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Your answers are fine. \n" ); document.write( "If you were asked to find, for example (f*g)(3), then you would of course need to use the given value of x to find the answer. But they didn't ask you to evaluate any of the functions for a particular value of x. \n" ); document.write( " \n" ); document.write( " |