If a baseball is projected upward from ground level with an initial velocity of 32 feet per second, then its height is a function of time, given by s= -16t^2 + 32t. What is the maximum height reached by the ball? AND A rancher needs to enclose two adjacent rectangular corrals, one for cattle and one for sheep. If the river forms one side of the corrals and 390 yd of fencing is available, find the largest total area that can be enclosed