Let f: R \rightarrow R be a function defined by f= {e^{|x|}-e^{-x}}/{e^x+e^{-x}} then

Correct Answer is : f is neither an injection nor a surjection

f is an injection but not a surjection function

f is a surjection but not an injection function

f is neither an injection nor a surjection

COMEDK 2024 Shift 1 Paper

Question : 104 of 180

Marks: +1, -0

Let f:R⟶R be a function defined by f=‌

e|x|−e−x

ex+e−x

then

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