Practice problem
Let f(x)=2x−3f(x) = 2x - 3f(x)=2x−3 and g(x)=4x2+6x+9g(x) = 4x^2 + 6x + 9g(x)=4x2+6x+9. What is (f⋅g)(x)(f\cdot g)(x)(f⋅g)(x)?
8x3+12x2+18x8x^3+12x^2+18x8x3+12x2+18x
12x2+18x+2712x^2 + 18x + 2712x2+18x+27
8x2−12x8x^2 - 12x8x2−12x
8x3−278x^3 - 278x3−27
Type a concept, like “slope” or “photosynthesis”.
