What is the critical cos(2pit) ?

The critical cos(2pit) is t=1*n,t= 1/2+1*n

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critical cos(2pit)

critical points

cos (2 π t)

t = 1 \cdot n, t = \frac{1}{2} + 1 \cdot n

Solution steps

cos (2 π t)

Find where

f^{'} (t)

is equal to zero or undefined

t = 1 \cdot n, t = \frac{1}{2} + 1 \cdot n

Identify critical points not in

f (t)

domain

Domain of

cos (2 π t) : - \infty < t < \infty

All critical points are in domain

t = 1 \cdot n, t = \frac{1}{2} + 1 \cdot n

f (x) = e^{x}

15 x - 5 y = 13

y = \frac{3}{4} x - 9

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

(x^{2} - 7)^{3}