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f:R to R is defined by f(x)==(e^(x^(2))-...

`f:R to R` is defined by f(x)=`=(e^(x^(2))-e^(-x^(2)))/(e^(x^(2))+e^(-x^(2)))`, is

A

f(x) is an increasing function

B

f(x) is a decreasing function

C

f(x) is a onto

D

None of the above

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Verified by Experts

The correct Answer is:
D
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