document.write( "Question 1157675: given f(x)=3x-2 and g(x)= x^2+1\r
\n" ); document.write( "\n" ); document.write( "find :
\n" ); document.write( " 1. (fog)(x)
\n" ); document.write( " 2. (gof)(1)
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Algebra.Com's Answer #780553 by Shin123(626) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28x%29=3x-2\"$ and $\"g%28x%29=x%5E2%2B1\"$ .
\n" ); document.write( "1. $\"f%28g%28x%29%29=f%28x%5E2%2B1%29=3%28x%5E2%2B1%29-2=3x%5E2%2B3-2=highlight%283x%5E2%2B1%29\"$ Cartoon example:

\n" ); document.write( "2. $\"g%28f%281%29%29=g%283%2A1-2%29=g%281%29=1%5E2%2B1=highlight%282%29\"$ Cartoon:

.
\n" ); document.write( "3. Since from 1, we know that $\"f%28g%28x%29%29=3x%5E2%2B1\"$ , $\"f%28g%281%29%29=3%2A1%5E2%2B1=highlight%284%29\"$ . \n" ); document.write( "

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