Practice problem
Let f(x)=5x2+3f(x) = 5x^2 + 3f(x)=5x2+3 and g(x)=x+2g(x) = x + 2g(x)=x+2. What is (f⋅g)(x)(f\cdot g)(x)(f⋅g)(x)?
6x2+56x^2 + 56x2+5
5x2+13x+65x^2 + 13x + 65x2+13x+6
5x3+10x2+3x+65x^3 + 10x^2 + 3x + 65x3+10x2+3x+6
5x3+3x2+10x+65x^3 + 3x^2 + 10x + 65x3+3x2+10x+6
Type a concept, like “slope” or “photosynthesis”.
