Let f (x) = x5 - 2x2. a) Find the interval(s) where f is increasing. (4 marks) b) Identify the coordinates of the local minima or maxima. (3 marks) c) Find the interval where f is concave up. (3 marks) d) Identify any points(s) of inflection. (2 marks) B U Ff E E G > # X\fl \"me 1611 Use the differentiation rules to find the following derivative. You need not simplify your answer. (x3+2x4)3 x2+ex a) f (x) \"f: (4 marks) b) f (x) = ex2__1 cos(x3) (5 make) . _ k c) f(x) =4 sin(ln(x6 + 2x3 (6 marks) 1 3 M