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Given h(t)=-2(t+5)^2+4, find h(-8)

-334
-14
-45
-445

2 Answers

3 votes

Answer:

-14

Explanation:

User Rangad
by
7.7k points
4 votes

Substitute -8 for t in the expression, and now you have: h(-8) = -2[(-8) + 5]^2 + 4. Solve inside the parentheses; add -8 and 5.

h(-8) = -2[-3]^2 + 4, solve exponents next by squaring -3.

h(-8) = -2[9] + 4, multiply -2 and 9.

h(-8) = [-18] + 4, add -18 and 4.

h(-8) = -14.

User B H
by
8.8k points