Solve.
-A window washer accidentally drops a bucket from the top of a 64-foot building. After t seconds, the height h(t) is given by the function h(t) = -16t2 + 64. Find how long it takes the bucket to hit the ground.
A) 4 sec
B) 2 sec
C) 64 sec
D) 32 sec

Question

Quizplus · Accepted Answer

The bucket hits the ground when h(t) = 0. Solving -16t^2 + 64 = 0 gives t^2 = 4, so t = 2 seconds.

Solve. -A Window Washer Accidentally Drops a Bucket from the Top