Practice problem
If f(x)=3x2+4x−9f(x)=3x^2+4x-9f(x)=3x2+4x−9 and g(x)=3x−4g(x)=3x-4g(x)=3x−4 find (g∘f)(x)(g\circ f)(x)(g∘f)(x).
9x2+12x−319x^2+12x-319x2+12x−31
27x2−60x+2327x^2-60x+2327x2−60x+23
9x3−43x+369x^3-43x+369x3−43x+36
27x2+84x+7327x^2+84x+7327x2+84x+73
Type a concept, like “slope” or “photosynthesis”.
