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

The critical f(x)=-3cos(x) is x=2pin,x=pi+2pin

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

critical points

f (x) = - 3 cos (x)

x = 2 πn, x = π + 2 πn

Solution steps

- 3 cos (x)

Find where

f^{'} (x)

is equal to zero or undefined

x = 2 πn, x = π + 2 πn

Identify critical points not in

f (x)

domain

Domain of

- 3 cos (x) : - \infty < x < \infty

All critical points are in domain

x = 2 πn, x = π + 2 πn

2 x + y = 7

g (x) = - 3 x

- 0.8 x^{2} + 3.2 x + 6

f (x) = x^{2} - 4 x + 7

(3, 5), (11, 8)

What is the critical f(x)=-3cos(x) ?
The critical f(x)=-3cos(x) is x=2pin,x=pi+2pin