Solve the Problem
-If an Object Is Propelled Upward from a Height

Multiple Choice

Solve the problem
-If an object is propelled upward from a height of 96 feet at an initial velocity of 64 feet per second, then its height after $t$ seconds is given by the equation $h ( t ) = - 16 t ^ { 2 } + 64 t + 96$ , where height is in feet. After how many seconds will the object reach a height of 160 feet?

A) $2 \mathrm { sec }$
B) $1 \mathrm { sec }$
C) $8 \mathrm { sec }$
D) $4 \mathrm { sec }$