What is the critical (3x)/(x^2-1) ?

The critical (3x)/(x^2-1) is None

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critical (3x)/(x^2-1)

critical points

\frac{3 x}{x ^{2} - 1}

None

Solution steps

\frac{3 x}{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

\frac{3 x}{x ^{2} - 1} : x < - 1 or - 1 < x < 1 or x > 1

\frac{3 x}{x ^{2} - 1}

is not defined at

x = - 1, x = 1

, therefore:

None

f (x) = 5 x + 3

g (x) = x^{2} - 5

\frac{x ^{2} - x - 6}{x ^{2} - 25}

y = - x^{2} + 4

f (x) = \frac{x + 3}{x - 7}