Solve the Problem. -If a Rocket Is Propelled Upward from Ground Level, Its

Solve the problem.
-If a rocket is propelled upward from ground level, its height in meters after t seconds is given by h = + 78.4t. During what interval of time will the rocket be higher than 117.6 m?

A) 6 < t < 4
B) 2 < t < 6
C) 4 < t < 8
D) 0 < t < 2