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SCORPION-xisa [38]
3 years ago
11

Raffle tickets are being sold for a fundraiser. The function a(n) relates the amount of money raised to the number of tickets so

ld, n. 
It takes as input the number of tickets sold and returns as output the amount of money raised. 

a(n) = 3n – 15 

Which equation represents the inverse function n(a), which takes the money raised as input and returns the number of tickets sold as output?
Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Answer:

n (a)=a+15/3 apex

Step-by-step explanation:

Vladimir [108]3 years ago
7 0
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
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