document.write( "Question 65874: If f(x)=2x+1 and g(x)=x^2 , find (g o f)(2). \n" ); document.write( "
Algebra.Com's Answer #46636 by Nate(3500)\"\" \"About 
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First, define [g o f].
\n" ); document.write( "g(2x + 1) = (2x + 1)^2 = 4x^2 + 4x + 1
\n" ); document.write( "plug in 2 for x
\n" ); document.write( "4*4 + 4*2 + 1 = 16 + 8+ 1 = 25
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