The average low temperature by month in Nashville is represented by the function, f(x)= -1.4x^2 + 19x + 1.7, where x is the month. Find the average rate of change from March to August. (m= f(b) - f(a)/b - a)

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.