The function, f (x) = 70n-400, models the profit if the instructor of a guitar class per month, where n is the number of students enrolled in the class. How many students must be enrolled in the class for the instructor to make a profit? How many students must be enrolled in the class if the instructor needs to make $1,000.00 profit per month?

Question

Cayden Chavez

13 March, 05:54

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Hailee Owens · Answer 1

F (x) = 1,000

70n - 400 = 1,000

70n = 1,000 + 400

70n = 1,400

n = 1,400/70

n = 20

The instructor needs 20 students