A supermarket offers a delivery service. If a customer pays $9 per month, each delivery costs just $2. Write an equation that sh
ows how the total cost for a month, y, depends on the number of deliveries, x. Do not include dollar signs in the equation.
1 answer:
The linear function that models the total cost for x deliveries is:

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A linear function has the following format:

In which
- m is the slope, that is, the rate of change.
- b is the y-intercept, that is, the value of y when x = 0.
In this problem:
- Fixed cost of $9 per month,
. - Cost of $2 for each delivery, thus
.
The function for the <u>total cost for x deliveries is:</u>

A similar problem is given at brainly.com/question/16270359
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