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

Multiple Choice

Solve.
-A window washer accidentally drops a bucket from the top of a 144-foot building. The height $h$ of the bucket after $\mathrm { t }$ seconds is given by $\mathrm { h } = - 16 \mathrm { t } ^ { 2 } + 144$ . When will the bucket hit the ground?

A) $3 \mathrm { sec }$
B) $9 \mathrm { sec }$
C) $48 \mathrm { sec }$
D) $- 3 \mathrm { sec }$