What is the critical f(x)=((x+1))/(sqrt(1+x^2)) ?

The critical f(x)=((x+1))/(sqrt(1+x^2)) is x=1

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critical f(x)=((x+1))/(sqrt(1+x^2))

critical points

f (x) = \frac{( x + 1 )}{1 + x ^{2}}

x = 1

Solution steps

\frac{x + 1}{1 + x ^{2}}

Find where

f^{'} (x)

is equal to zero or undefined

x = 1

Identify critical points not in

f (x)

domain

Domain of

\frac{x + 1}{1 + x ^{2}} : - \infty < x < \infty

All critical points are in domain

x = 1

\frac{2 ln ( x )}{x}

f (x, y) = 2 y + 7 - 2 x

f (x) = - x^{4} + 4 x^{3} + 5

y = 0.41 x^{3} - 17.8 x^{2} + 257 x - 1205

x^{2} + \frac{81}{x ^{2}}

What is the critical f(x)=((x+1))/(sqrt(1+x^2)) ?
The critical f(x)=((x+1))/(sqrt(1+x^2)) is x=1