If f(x) = x^2 + 3xf(x)=x2+3x and g(x) = 4x - 1g(x)=4x−1, what is (g@f)(x)(g∘f)(x)?
1 Answer
May 28, 2015
can be expressed by
writing the equation for
then replacing each occurrence of
replacing each
color(red)(x)x with the expression forf(x)f(x) , namelycolor(blue)(x^2+3x)x2+3x