document.write( "Question 629136: If f (x)=x to the second power and g(x)=5x-1, then f(g3))= \n" ); document.write( "

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If this is supposed to be f(g(3)) then substitute x=3 into the equation for g(x) to find g(3).
\n" ); document.write( "g(x)=5x - 1
\n" ); document.write( "=5 x 3 - 1
\n" ); document.write( "=14
\n" ); document.write( "Now substitute 14 into the equation for f(x) to to find f(14)
\n" ); document.write( "f(x)= x^2 (where ^2 means x squared)
\n" ); document.write( "=14 ^ 2
\n" ); document.write( "=196 \n" ); document.write( "

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