The following function represents a rock that was thrown into the air, where h represents the height from the ground and t represents the time after release in seconds. h = -16t^2 + 32t + 6. 1) What will the maximum height of the rock be?
2) What is the height of the rock after 1.5 seconds?
3) How long did it take the rock to reach its maximum height?
4) How long did it take for the rock to achieve a height of 5 feet?
Any answer would be greatly appreciated.