document.write( "Question 474597: Let f(x)= x^2+5x+3 and g(x)=x+2 find (fog)(x) (gof)(x) (fog)(2) and (gof)(-2) \n" ); document.write( "

Algebra.Com's Answer #325485 by Tatiana_Stebko(1539) $\"\"$ $\"About$

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$\"f%28x%29=+x%5E2%2B5x%2B3+\"$
\n" ); document.write( " $\"g%28x%29=x%2B2\"$
\n" ); document.write( "(fog)(x)=

\n" ); document.write( " (gof)(x)= $\"g%28f%28x%29%29=f%28x%29%2B2=x%5E2%2B5x%2B3%2B2=x%5E2%2B5x%2B5\"$
\n" ); document.write( "(fog)(2)= $\"2%5E2%2B9%2A2%2B17=39\"$
\n" ); document.write( "(gof)(-2)= $\"%28-2%29%5E2%2B5%2A%28-2%29%2B5=-1\"$ \n" ); document.write( "

\n" );