2. Gina's cost, rounded to the nearest dollar, to operate a mobile device is a function. Gina's cost accumulates
over the number of months she has the account,
so months are the input for the function. Since the
function's domain is defined by its input, what is the
domain of this function? Why?

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.