15)

\fConsider the function f(a:) 83:9 + 811:5 43:2 9. An antiderivative of f (3:) is F(m )= A3\" + 83'\" + 03:3" + D39 where and n is :i and 33:] and m is \fA stone is thrown straight up from the edge of a roof, 950 feet above the ground, at a speed of 10 feet per second. A. Remembering that the acceleration due to gravity is -32 feet per second squared, how high is the stone 3 B. At what time does the stone hit the ground? :] C. What is the velocity of the stone when it hits the ground? :]