Multiple Choice
Audrey uses a slingshot to shoot a marble from a window. The height of the marble h(t) in feet at time t seconds is given by the function h(t) = -16t2 - 54t + 306. How many seconds elapse before the marble hits the ground?
A) 6 sec
B) 5 sec
C) 3 sec
D) 4 sec
Correct Answer:

Verified
Correct Answer:
Verified
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