For each non-zero real number x, let f(x)=x/{|x|}.The range of is [NDA I 2015]

Correct Answer is : a set consisting of two elements

a set consisting of only one element

a set consisting of two elements

a set consisting of infinitely many elements

UPSC NDA I 2015 Mathematics Solved Paper

Question : 63 of 120

Marks: +1, -0

For each non-zero real number x, let f(x)=

|x|

.The range of is

[NDA I 2015]

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