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rosefoley18
04.09.2020 •
Mathematics
Mike is a veterinarian. He is placing a 9-line Job ad for an assistant. The following plecewise function gives the price of an x-line ad.
when x < 3
a(x) =
45 + 9(x – 3) when x > 3
a. Find the difference between the cost of a two-line ad and the cost of a three-line ad.
b. Find the cost of a 10-line ad.
c. Find the cost of an 11-line ad.
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Ответ:
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