A. Given the function f(x) = x3 -2x2 +x + 1, 1. the point of inflection of the function is (3marks) 2. the function has an absolute maximum at (3marks) 3. the function has an absolute minimum at (3marks) B. If the distance of the ball from the ground at any time t, is h(t)= -4t2 +16t , where t is time in seconds, find: 1. the time it will take the ball to reach the maximum height; (3marks) 2. the final velocity of the ball as it strikes the ground. (3marks)