At a car repair shop, the cost of a repair depends on the time the mechanic works. Which of the following shows this idea expressed in the fuction notation?
Also may the person who comes across this show me step by step how to do this type of questions so I can study this and master domain and range words problems?
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* A. time( number of cars)
* B. number of cars(time)
* C. time(cost)
* D. cost(time)