A student attempted to find (f⋅g)(x) where f(x) =x^2+2x and g(x)= 1/2x. See their work below and describe the error.

(f⋅g)(x) = (x^2+2x) ⋅ 1/2x
= x^2+2x/2x
= x+2/2
= 1/2x+1

30 points. will mark brainliest.