I really don't even know this this app literally
only gives you like 2 answers at a time.
H(t) = 0 for t = 7 and for t = -2.
It is reasonable for the time to be positive, 7 seconds.
(The offered answers all appear to be negative, so none are reasonable.)
Answer:

Step-by-step explanation:

Jhhhchbuhgv Gunn hub ghhhb