Please answer correctly

How to do this , and can some one explain

Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.