What is the critical y= 1/10 x^2-4x+9 ?

The critical y= 1/10 x^2-4x+9 is x=20

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critical y= 1/10 x^2-4x+9

critical points

y = \frac{1}{10} x^{2} - 4 x + 9

x = 20

Solution steps

\frac{1}{10} x^{2} - 4 x + 9

Find where

f^{'} (x)

is equal to zero or undefined

x = 20

Identify critical points not in

f (x)

domain

Domain of

\frac{1}{10} x^{2} - 4 x + 9 : - \infty < x < \infty

All critical points are in domain

x = 20

f (x) = 4 x^{2} - x - 3

y = 2 x + 5

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

y = 5 x + 4

f (x) = (4 - x)