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Mathematics, 11.10.2021 16:50 lilyella1004

An interior designer charges customer's an initial consultation free plus an hourly rate. The table show's the linear relationship between x, the number of hours, and y, the total cost of hiring the designer.
a. find the rate of change.
b. what does the rate of change represent in the context of the situation?

x. 0 2 8 15
y. 125 235 565 950

please help me!!

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