A book is thrown from the top of a 432 ft building. The height, h, in feet above the ground t seconds after it's thrown is given by h(t)=-16t^2+96t+432. You must show work for ALL parts of this question to receive credit A. How long does it take the book to reach its maximum height?

B. What is the maximum height?

C. How long does it take the book to hit the ground?

D. After how long will the book reach 176 feet