Question

A satellite tv company charges a one time installation fee and a monthly service charge the total cost is modeled by the function y = 99x + 15 which statement represents the meaning of each part of the function?
A. X is the total cost y is the number of months service $99 is the installation fee and $15 is the service charge per month
B. Y is the total cost x is the number of months service $15 is the installation fee and $99 is the service charge per month
C. X is the total cost, y is the number of months service, $15 is the installation and $99 is the service charge per month
D. Y is the total cost x is the number of months of service $99 is the installation fee and $15 is the service charge per month

Answer 1

The correct interpretation of the function \( y = 99x + 15 \) is:

- \( y \) represents the total cost.
- \( x \) represents the number of months of service.
- $99 is the installation fee (a one-time fee).
- $15 is the service charge per month.

So, the correct answer is:

**D. Y is the total cost, x is the number of months of service, $99 is the installation fee and $15 is the service charge per month.**