The function that represents how much you would pay is:
p(x) = (x - $5)*0.9
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How to find the function?</h3>
Let's say that the cost of the repair is x.
First, we apply the coupon, so we discount $5 for the cost.
x - $5.
Then we apply another discount of the 10%, this is written as:
(x - $5)*(1 - 10%/100%)
(x - $5)*(1 - 0.1)
(x - $5)*0.9
Then the function that represents how much you would pay is:
p(x) = (x - $5)*0.9
If you want to learn more about functions:
brainly.com/question/4025726
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Answer:h=−5t2−10t+70
Step-by-step explanation:
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