KCET 2007 Math Solved Paper

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Question : 14 of 60

Marks: +1, -0

If f:R→R is defined by f(x)=|x|, then,

f−1(x)=‌
1
|x|
f−1(x)=−x
f−1(x)=‌
1
x
The function f−1(x) does not exist.

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