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If f(x) = 2x, then f-1(x) =
1.-2x
2.1/2x
3.x-2

1 Answer

9 votes
Ans: x/2

Let , y = f(x)
y= 2x
X=y/2
so ,f^-1(x) = x/2

I hope this helps :)

User Birdus
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