Answer:
<em>Its either they are asking you to choose plan, you need to log in, or just watch an ad to see the answer.</em>
<em />
<em>My trick is to skip the ad and its lets you see the question.</em>
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<em>~</em><u>rere</u>
Step-by-step explanation:
For this case we have to:
x: It is the variable that represents the number of compact discs.
The cost function must be found considering that each disk costs $7.13. So:

Thus, to find the total cost of "x" compact discs (in $) we substitute the number of discs in the cost function.
Answer:
