Answer:
B on the first question and A on the 2nd
Step-by-step explanation:
f-1(x) = (x-8)/2
f(x) = 2x+ 8
y = 2x + 8
replacing y and x
x = 2y + 8
2y = x- 8
y =( x-8)/2
f-1 (x) =( x-8)/2
