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What is the inverse of the function below? F(x) = 5x - 2
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1 vote
What is the inverse of the function below? F(x) = 5x - 2

User Jrbeverly
by
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2 Answers

3 votes
1. replace F(x) by y: y = 5x - 2
2. interchange x and y: x = 5y - 2
3. solve for y: 5y = x + 2, so y = (x + 2)/5
4. replace y with
-1 -1 x + 2
F (x): F (x) = --------- (answer)
5
User Zoltan Toth
by
5.9k points
3 votes
The inverse would be

f^-1(x) = x/5 - 2/5


User Egprentice
by
6.3k points
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