Question

In order to join a dancing club there is a $30 startup fee and a $4 monthly fee. Write an equation in slope intercept form that models this situation.

Answer 1

y = 4x + 30

Explanation:

The startup fee is $30 and must be paid before you begin. This means that 30 in the y-intercept. You pay $30 at 0 months. Then you have to pay $4 every month after that. This means that 4 is the slope. So, after x months, the total amount you have paid, y, is

y = 4x + 30

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