Solve. If an object is propelled upward from a height of 240 feet at an initial velocity of 32 feet per second, then its height h, in feet, after t seconds is given by the expression  Factor the expression. After how many seconds will the object hit the ground?

A. -16(t - 3)(t + 5); 3 sec
B. -16(t - 3)(t - 5); 3 sec
C. -16(t + 3)(t + 5); 5 sec
D. -16(t + 3)(t - 5); 5 sec


Answer: D

Mathematics

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