What is the critical x^3-75x ?

The critical x^3-75x is x=-5,x=5

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critical x^3-75x

critical points

x^{3} - 75 x

x = - 5, x = 5

Solution steps

x^{3} - 75 x

Find where

f^{'} (x)

is equal to zero or undefined

x = - 5, x = 5

Identify critical points not in

f (x)

domain

Domain of

x^{3} - 75 x : - \infty < x < \infty

All critical points are in domain

x = - 5, x = 5

f (x) = 2 π x

f (x) = 9 x + 7

f (x) = \frac{( x - 1 )}{( x + 1 ) ^{3}}

x^{2} + 2 x + 1

h (x) = x + 1