Astudent is taking a test. he has 37 questions left. if the test has 78 questions

Pls , the question is in the picture!

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

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.