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For which function is f(x) equal to f-1(x)?
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4 votes
For which function is f(x) equal to f-1(x)?

User Sebastian Hajdus
by
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1 Answer

4 votes
Let's solve for f.
y=f−1x
Step 1: Flip the equation.
f−x=y
Step 2: Add x to both sides.
f−x+x=y+x
f=x+y
Answer:
f=x+y
User Matt Welch
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