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Mathematics 9 Online
OpenStudy (anonymous):

You call a worker to come to your house and fix a pipe. His hourly fee is $25 per hour. His service call fee is $40. What is the..........Independent variable? Domain?

OpenStudy (anonymous):

The independent variable would be the number of hours. The dependent variable would be the total cost. For example if you used h for the number of hours and C for the total cost, you would get a formula: C = 25h + 40

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