Practice problem
Let f(x)=4x2−9f(x)=4x^2-9f(x)=4x2−9 and g(x)=2x+3g(x)=2x+3g(x)=2x+3. Find (f⋅g)(x)(f\cdot g)(x)(f⋅g)(x).
4x2+2x−64x^2+2x-64x2+2x−6
8x3+12x2−18x−278x^3+12x^2-18x-278x3+12x2−18x−27
4x2−2x−124x^2-2x-124x2−2x−12
2x−32x-32x−3
Type a concept, like “slope” or “photosynthesis”.
