Question 5: (4 points) A fast-food restaurant has a cost of production C (x) = 12x + 76 and a revenue function R (x) = 8x. When does the company start to turn a profit? Enter the exact answer. If there is no solution, enter NS. If there is an infinite number of solutions, enter IS. I=Question E: [4 points] Use a system of linear equations with two variables and two equations to soil-re. A number is 3 more than another number. Twice the sum of the two numbers is 32. Find the two numbers. Enterthe numbers in increasing order. First Number Second Number Question i': [4 points] Use a system of linear equations with two variables and two equations to solve. 180 students enrolled in a freshman-level chemistry class. By the end 01 the semester, 4 times the number of students passed as failed. Find the number at students who passed, and the number at students who failed. Passing Students: Failing Students: Question 8: [4 points] Determine whether the given ordered triple is a solution to the system of equations. 2 y = D a: z = 5 and [4,411} zy+z =1 {a}'r'ss, it is a solution. {tho, it is not a solution