document.write( "Question 1078219: If f(x) = x2 + x and g(x) = x − 3, find f(g(7)). \n" ); document.write( "

Algebra.Com's Answer #692704 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28g%29=g%5E2%2Bg\"$
\n" ); document.write( " $\"f%28g%29=%28x-3%29%5E2%2B%28x-3%29\"$
\n" ); document.write( " $\"f%28g%29=%28x-3%29%281%2Bx-3%29\"$
\n" ); document.write( " $\"f%28g%29=%28x-3%29%28x-2%29\"$
\n" ); document.write( " $\"f%28g%287%29%29=%287-3%29%287-2%29\"$
\n" ); document.write( " $\"f%28g%287%29%29=4%2A5\"$
\n" ); document.write( "Work that out for the final answer. \n" ); document.write( "

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