16. The height, h, of a projectile, in feet above the ground, is given by the function h(t) = -4t2 + 40t where t represents time, in seconds. How many feet above the ground is the projectile when t = 5 ?

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

Substitute t=5 into the function to get h(5)=-4×52 + 40×5 = 100, so choose K