If f(x) = x^2 and g(x) = x+1, compute (f∘g)(x) and (g∘f)(x).

• A. (f∘g)(x) = x^2 + 1; (g∘f)(x) = (x+1)^2
• B. (f∘g)(x) = (x+1)^2; (g∘f)(x) = x^2 + 1
• C. (f∘g)(x) = x^2 - 1; (g∘f)(x) = x^2 - 1
• D. (f∘g)(x) = x^2; (g∘f)(x) = x+2

Answer: (B)