Practice problem
Let f(x)=(x+1)2f(x) = (x+1)^2f(x)=(x+1)2 and g(x)=2x+1g(x) = 2x + 1g(x)=2x+1. What is (f−g)(x)(f-g)(x)(f−g)(x)?
x2+4x+2x^2 + 4x + 2x2+4x+2
x2+2x+1x^2 + 2x + 1x2+2x+1
x2+1x^2 + 1x2+1
x2x^2x2
Type a concept, like “slope” or “photosynthesis”.
