b g(b) Use the Substitution Formula, f(g(x)) . g'(x)dx= f(u) du where g(x) = u, to evaluate the following integrals. g(a) a. vy + 1 dy b. Vy + 1 dy - 1 a. vy + 1 dy = (Simplify your answer.) b. Vy + 1 dy = 0] - 1 (Simplify your answer.)