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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)?

User Karol S
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2 Answers

5 votes

Answer:

Correct answer:
N(a)=(a+25)/4

Explanation:

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Raffle tickets are being sold for a fundraiser. The relationship between n, number-example-1
User VenkateshMogili
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8.1k points
5 votes
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

User Calamity
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8.7k points