Question

range of the f(x)=e^x-1/e^x+1​

Answer 1

Answer:

f(x)=

e

x

−1

e

x

+1

∴n(d)=f

As e

x

−1=0

∴e

x

=1

∴

x=0

∴ for x=0 function is not variable

Also, Let f(4)=1

e

x

−1

e

x

+1

=1

e

x

+1=e

x

−1

∴1=−1

Not possible

∴n(d)=1

n(r)=1

∴n(d)+n(r)=2

Step-by-step explanation:

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