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
Answer:
5
Step-by-step explanation:
(-8)-(-13)= 5
Answer:
4
Step-by-step explanation:
Answer:
70 hours.
Step-by-step explanation:
you need to subtract 450 from 75 which tells you you need 350 more dollars then you need to do 5x70 which gives you 350.
40 new accounts for: 100 customer calls
10,000 new accounts for: x customer calls.
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40 : 10,000 = 100 : x
x = (100 · 10,000 ) : 40 = 25,000
Answer: 25,000 customer calls were made.