Answer:
the answer is C
Step-by-step explanation:
Answer:
f
−
1
(
x
)
=
9
x
−
18
Step-by-step explanation:To find inverse for this problem interchange the variables and solve for y
Answer: $0.65
Step-by-step explanation:
Amount for the magazine in a regular newsstand for one year:
1.95*12=$23.4
Amount saved per issue with subscription:
(23.4-15.60) ÷ 12 = $0.65 per issue is saved with a subscription