d) [10 points] Find the derivative of the following function at x = 0, and x = 2. (Derivative rules provided at the end of the exam). f(x) = 3x3 5x+ 1 e) [10 points] Approximate the area under the graph of f (x) = x2 + 2 between x = 1 and x = 3 using At = 0.5