Practice problem
Let f(x)=x+4f(x) = x+4f(x)=x+4 and g(x)=x2−4x+16g(x) = x^2 - 4x + 16g(x)=x2−4x+16. What is (f⋅g)(x)(f\cdot g)(x)(f⋅g)(x)?
x3+16x2−16x+64x^3 + 16x^2 - 16x + 64x3+16x2−16x+64
x3+4x2−4x+16x^3 + 4x^2 - 4x + 16x3+4x2−4x+16
x3−16xx^3 - 16xx3−16x
x3+64x^3 + 64x3+64
Type a concept, like “slope” or “photosynthesis”.