Answer:
[ where
is number of months]

Step-by-step explanation:
Pool pass cost for first month =$30
Pool pass cost after first month = $15 for each month
The total amount charged by the pool can be expressed as a function
where
represents the number of months.

This can be simplified by using distribution.



Take 15 as greatest common factor.
∴ 
For 



∴ Amount charged by pool for 12 months = $195
D. All real numbers between 111 and 166.5 inclusive.
The domain is all real number
There is no limit to what x can be
Choice G
-5w=45
/-5 /-5
w=-9
The answer is -9