A Model Rocket Is Launched Upward with an Initial Velocity

Multiple Choice

A model rocket is launched upward with an initial velocity of 170 feet per second. The height, in feet, of the rocket t seconds after the launch is given by . How many seconds after the launch will the rocket be 450 feet above the ground? Round to the nearest tenth of a second.

A) 5.0 seconds and 5.6 seconds
B) 5.0 seconds and 11.3 seconds
C) 5.1 seconds and 11.3 seconds
D) 5.1 seconds and 5.6 seconds
E) 5.0 seconds and 5.1 seconds