How to find the positive and negative intervals for f(x)=x+2 My worksheet states that f(x) is positive when (-2,infinity) and negative when (-infinity, -2). What does this mean and how is this shown in a graph.

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

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.