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Asked by MV

1.)Find inverse function of the function
f(x)=(x+3)+9

2.)Find the inverse of the function
r(x)=3x-6/5x+3

thanks

13 years ago

Answers

Answered by Steve
y = (x+3)+9 = x+12
x = y-12

y = (3x-6)/(5x+3)
5xy+3y = 3x-6
(5y-3)x = -6-3y
x = -(3y+6)/(5y-3)
13 years ago
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Question

1.)Find inverse function of the function
f(x)=(x+3)+9

2.)Find the inverse of the function
r(x)=3x-6/5x+3

thanks

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