Question

Gabe drops a hammer from an apartment that is 30 meters above the

ground. The height of the hammer from the ground (in meters), h, after t
seconds is modeled by the function shown.
h(t) = −t

2 − t + 30

Find the number of seconds it will take for the hammer to hit the ground.
A 0
B 5
C 10
D 30

Answer 1

A 0 because you can not subtract 2-5 or the rest