What is the critical cos(2x+5) ?

The critical cos(2x+5) is x=(-5+2pi)/2+pin,x=(3pi-5)/2+pin

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critical cos(2x+5)

critical points

cos (2 x + 5)

x = \frac{- 5 + 2 π}{2} + πn, x = \frac{3 π - 5}{2} + πn

Solution steps

cos (2 x + 5)

Find where

f^{'} (x)

is equal to zero or undefined

x = \frac{- 5 + 2 π}{2} + πn, x = \frac{3 π - 5}{2} + πn

Identify critical points not in

f (x)

domain

Domain of

cos (2 x + 5) : - \infty < x < \infty

All critical points are in domain

x = \frac{- 5 + 2 π}{2} + πn, x = \frac{3 π - 5}{2} + πn

y = 2 x + 1

f (x) = \frac{- 10}{10 - x}

f (x) = 64 - x^{2}

(5, 1), (9, 4)

- \frac{3}{x + 2}

What is the critical cos(2x+5) ?
The critical cos(2x+5) is x=(-5+2pi)/2+pin,x=(3pi-5)/2+pin