The answer to the question is d
Answer:
a. 
b. 
c. 
d. 
Step-by-step explanation:
Given

Solving (a): When g(x) = 0
Substitute 0 for g(x)


Solve for 8x

Solve for x

Solving (b): when x = 0
Substitute 0 for x




Solving (c): When g(x) = -5
Substitute -5 for g(x)


Solve for 8x


Solve for x


Solving (d): When x = 3
Substitute 3 for x




n+5=9 is the answer for this