A window repair specialist charges $220 for the first two hours of repair plus an hourly fee for....

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Bluebook Digital SAT Test 3 Module 2 (Hard) Question 21:

A window repair specialist charges $220 for the first two hours of repair plus an hourly fee for each additional hour. The total cost for 5 hours of repair is $400. Which function f gives the total cost, in dollars, for x hours of repair, where x ≥ 2?

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