What is the critical f(x)=sqrt(x-3) ?

The critical f(x)=sqrt(x-3) is x=3

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critical f(x)=sqrt(x-3)

critical points

f (x) = x - 3

x = 3

Solution steps

x - 3

Find where

f^{'} (x)

is equal to zero or undefined

x = 3

Identify critical points not in

f (x)

domain

Domain of

x - 3 : x \geq 3

All critical points are in domain

x = 3

(0, 42.4), (1, 29.68)

f (x) = \frac{2}{3} x - 8

(- 5, - 2), (5, 8)

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

\frac{4}{x + 5}