The function f(x)=70n -400 models the profit of 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?

At least 6 students must be enrolled in the class for the instructor to make a profit.

At least 20 students must be enrolled in the class for the instructor to make $1,000 (or more) profit per month.

Step-by-step explanation:

The function models the profit of the instructor of a guitar class per month.

1. If the instructor makes a profit, then

So, at least 6 students must be enrolled in the class for the instructor to make a profit.

2.  If the instructor needs to make 1,000.00 profit per month, then

So, at least 20 students must be enrolled in the class for the instructor to make $1,000 (or more) profit per month.

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