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.)
22x3=66 then plug it into the problem
66÷11=6
so your answer is 6
2nd one is the correct one I think
Answer:
x=2,−4 hope this was help full
