Select the correct answer. Which equation represents a function?
A =13
B. -12 –34
c. 2y =-12
D. 2-4r=7
E =15

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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.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b