Question

A toy rocket was launched from the ground. The function f(x) = -16x2 + 192x shows the height of the rocket f(x), in feet, from the ground at time x seconds.

Answer 1

A. x = 12; it takes 12 seconds to reach the maximum height and 12 seconds to fall back to the ground
B. x = 12; it takes 12 seconds to reach the maximum height and 24 seconds to fall back to the ground
C. x = 6; it takes 6 seconds to reach the maximum height and 3 seconds to fall back to the ground
D. x = 6; it takes 6 seconds to reach the maximum height and 6 seconds to fall back to the ground