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Question
Which of the following function is identity function?
Which of the following function is identity function?
y =
y=
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Solution
The correct option is D y = x
The name of the function y = x is identity function.
This is different from identical functions.
Two functions are said to be identical if both have same domain and range.
y = x
The name of the function y = x is identity function.
This is different from identical functions.
Two functions are said to be identical if both have same domain and range.
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