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

The critical f(x)=sqrt(x^2-1) is x=-1,x=1

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critical f(x)=sqrt(x^2-1)

critical points

f (x) = x^{2} - 1

x = - 1, x = 1

Solution steps

x^{2} - 1

Find where

f^{'} (x)

is equal to zero or undefined

x = - 1, x = 1

Identify critical points not in

f (x)

domain

Domain of

x^{2} - 1 : x \leq - 1 or x \geq 1

All critical points are in domain

x = - 1, x = 1

f (z) = 2 z^{4} - 16 z^{3} + 20 z^{2} - 7

x^{2} - x y + y^{2} + 3 x - 2 y + 1

(x + 2)^{5} (x - 3)^{4}

\frac{x ^{2} + 5 x}{25 - x ^{2}}

What is the critical f(x)=sqrt(x^2-1) ?
The critical f(x)=sqrt(x^2-1) is x=-1,x=1