A chain-saw rental firm charges $28 per day or fraction of a day to rent a saw,
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A chain-saw rental firm charges $28 per day or fraction of a day to rent a saw, plus a fixed fee of $8 for resharpening the blade. Let S(x) represent the cost of renting a saw for x days. Find the following.
(a) S(1/2)
(b) S(1)
(c) S(1 1/4)
(d) S(3 1/ 2)
(e) S(4)
(f) S(4 1/10)
(g) What does it cost to rent a saw for 4 9/10 days?
(h) A portion of the graph of y = S(x) is shown here. Explain how the graph could be continued.
(i) What is the independent variable?
(j) What is the dependent variable?
(k) Is S a linear function? Explain.
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