Apolline is mowing lawns for a summer job. For every mowing job, she charges an initial fee plus a constant fee for each hour of work. Her fee for a 555-hour job, for instance, is \$42$42dollar sign, 42. Her fee for a 333-hour job is \$28$28dollar sign, 28.
Let yyy represent Apolline's fee (in dollars) for a single job that took xxx hours for her to complete.
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Let y represent Apolline's fee (in dollars) for a single job that took x hours for her to complete.
Given: for every mowing job, Apolline charges an initial fee plus a constant fee for each hour work
Solution: We can formulate a relation,
y = ix + c, where i = initial charge
c = constant charge
Two conditions given:
- Her fee for a 5-hour job is $42.
- Her fee for a 3-hour job is $28.
So, we get
42 = 5i + c .....(1)
28 = 3i + c .....(2)
On subtraction, we have
2i = 14, i.e., i = 7
So, c = 7
We find the required relation,
y = 7x + 7
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Answer:
Two points that are NOT Intercepts.
Step-by-step explanation:
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