Raffle tickets are being sold for a fundraiser. The relationship between n, number of raffle tickets sold, and A, amount of money in dollars raised, is given by the function below.

A (n) = 4n-25

What is the equation of the inverse function N (a) ?

Question

Giovanny Spears

Mathematics

14 January, 19:31

Raffle tickets are being sold for a fundraiser. The relationship between n, number of raffle tickets sold, and A, amount of money in dollars raised, is given by the function below.

A (n) = 4n-25

What is the equation of the inverse function N (a) ?

+4

Answers (1)

Know the Answer?

Danielle Travis · Answer 1

If the function is

A (n) = 4n - 25

and we wish to get the inverse function N (a)

We let

A (n) = a

n = N (a)

Plugging in the values

a = 4 N (a) - 25

Arranging the equation:

4 N (a) = a + 25

N (a) = (a + 25) / 4

The answer is

N (a) = (a + 25) / 4

Raffle tickets are being sold for a fundraiser. The relationship between n, number of raffle tickets sold, and A, amount of money in dollars raised, is given by the function below.A (n) = 4n-25What is the equation of the inverse function N (a) ?

Raffle tickets are being sold for a fundraiser. The relationship between n, number of raffle tickets sold, and A, amount of money in dollars raised, is given by the function below.

A (n) = 4n-25

What is the equation of the inverse function N (a) ?