document.write( "Question 60437: Given f(x)=5x+7 and g(x)=x^2+7, find (g f)(x). \n" ); document.write( "
Algebra.Com's Answer #41525 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! f(x)=5x+7 and g(x)=x^2+7 \n" ); document.write( "(g f)(x)=(5x+7)^2+7 [Dumb f into g and solve]\r \n" ); document.write( "\n" ); document.write( "(g of f) (x)=(5x+7)(5x+7)+7 \n" ); document.write( "=25x^2+70x+49+7 \n" ); document.write( "=25x^2+70x+56 \n" ); document.write( " \n" ); document.write( " |