Question

A ball is thrown into the air with an upward velocity of 20 ft/s. Its height (h) in feet after t seconds is given by the function h = –16t2 + 20t + 2. How long does it take the ball to reach its maximum height? What is the ball’s maximum height? Round to the nearest hundredth, if necessary.
A. 1.25 s;8.25 ft
B. 0.63 s; 8.25 ft
C. 1.34 s; 0.16 ft
D. 1.34 s; 0.32 ft

Answer 1

a