Practice problem
Let f(x)=x−2f(x) = x-2f(x)=x−2 and g(x)=x2+2x+4g(x) = x^2+2x+4g(x)=x2+2x+4. What is (f⋅g)(x)(f\cdot g)(x)(f⋅g)(x)?
x3−4x+4x^3 - 4x + 4x3−4x+4
x3+4x2+8x^3 + 4x^2 + 8x3+4x2+8
x3+4x^3 + 4x3+4
x3−8x^3 - 8x3−8
Type a concept, like “slope” or “photosynthesis”.
