Final answer:
To find h(-8), substitute -8 into the function h(t)=-2(t+5)^2. The value of h(-8) is -18.
Step-by-step explanation:
To find h(-8), substitute -8 into the function h(t) = -2(t+5)^2:
h(-8) = -2((-8)+5)^2
= -2(-3)^2
= -2(9)
= -18
The value of h(-8) is -18.