Write the translations as a rule applied to each coordinate (x, y)

What are the domain and range of the function? f(x) = -4 (sqrt)x

Can someone me out here number 4 plz

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.