Answer:
-2
Step-by-step explanation:
h(-5) represents the y value when x is -5.
because it's a linear function.
Difference of a number and 17: x - 17
eight times that = 8(x - 17)
8(x - 17) = 30
divide both sides by 8
x - 17 = 30/8
x = 30/8 + 17 which is 20.75