What is the critical f(x)=-9x^2+2x^3 ?

The critical f(x)=-9x^2+2x^3 is x=0,x=3

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critical f(x)=-9x^2+2x^3

critical points

f (x) = - 9 x^{2} + 2 x^{3}

x = 0, x = 3

Solution steps

- 9 x^{2} + 2 x^{3}

Find where

f^{'} (x)

is equal to zero or undefined

x = 0, x = 3

Identify critical points not in

f (x)

domain

Domain of

- 9 x^{2} + 2 x^{3} : - \infty < x < \infty

All critical points are in domain

x = 0, x = 3

y = 6 tan (0.2 x)

arctan (\frac{x}{2 - x})

y + 2 = 4 (x - 3)

\frac{x}{x ^{2} + 9}

\frac{x ^{2} - x}{x ^{2} - 4 x + 3}