Suppose That, When a Stone Is Thrown Upwards with a Speed

Multiple Choice

Suppose that, when a stone is thrown upwards with a speed of 60 miles an hour, its height, h feet, after t seconds, is given by $h ( t ) = 88 t - 16 t ^ { 2 }$ The maximum height of the stone is

A) 100 ft
B) 120 ft
C) 121 ft
D) 125 ft
E) 200 ft