27, let fx) be continuous and differentiable over (a-h, a + h), a e r fa) let fx) = fx)-fla) x-a' if x*a when f(x) is if x =a continuous at x = a. (a) o=1 a) (b

27, Let fx) be continuous and differentiable over (a-h, a + h), a e R fa) Let fx) = fx)-fla) X-a' if x*a when f(x) is if x =a continuous at x = a. (a) o=1 a) (b) fla) fla) (b) a = f(a) (d) a = 0