What is the critical f(x)=(x+5)/(x+3) ?

The critical f(x)=(x+5)/(x+3) is None

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critical f(x)=(x+5)/(x+3)

critical points

f (x) = \frac{x + 5}{x + 3}

None

Solution steps

\frac{x + 5}{x + 3}

Find where

f^{'} (x)

is equal to zero or undefined

x = - 3

Identify critical points not in

f (x)

domain

Domain of

\frac{x + 5}{x + 3} : x < - 3 or x > - 3

\frac{x + 5}{x + 3}

is not defined at

x = - 3

, therefore:

None

y = (\frac{1}{x + \frac{1}{3} + C e ^{3 x}})^{\frac{1}{3}}

f (x) = \frac{7 x}{x ^{2} - 2 x - 3}

f (x) = 7 (x + 5)^{3} - 6

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