sukiyoshi10
sukiyoshi10
21.10.2020 • 
Mathematics

4. Mike is a veterinarian. He is placing an nine-line job ad for an assistant. The following piecewise function gives the price of an x-line
ad.
a(x) = {45
when x < 3}
{45 + 9(x-3) when x > 3}
a. Find the difference between the cost of a two-line ad and the cost
of a 3-line ad.
b. Find the cost a 10-line ad
I
c. Find the cost of the 10-line ad.

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