robertoke31 robertoke31

16-12-2019
Mathematics

contestada

F(x)=70n-400 how many students must be enrolled in the class for the instructor to make a profit?

Respuesta :

Ellen67 Ellen67

17-12-2019

Answer:

6 students must be enrolled.

Step-by-step explanation:

F(x) must be greater than 0. Thus, 70*n-400 must be greater than 0.

70*n -400 >0

70*n > 400

n > 400/7

n > 5.7

n >6

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