Answer:
h(6) = -27
Explanation:
You have three different function, but you task aplies only to h(x)
It looks like you have to find x for which h(x) = -27
h(x) = -3x - 9
- 27 = -3x - 9
+3x + 3x
- 27 + 3x = -9
+27 +27
3x = 18
÷3 ÷3
x = 6
check:
h(6) = -3(6) - 9 = -18 - 9 = -27