What is the shift-2+2cos(2x-pi/2) ?

The shift-2+2cos(2x-pi/2) is Phase: pi/4 , Vertical:-2

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shift-2+2cos(2x-pi/2)

shift

- 2 + 2 cos (2 x - \frac{π}{2})

Phase : \frac{π}{4}, Vertical : - 2

Solution steps

f (x) = - 2 + 2 cos (2 x - \frac{π}{2})

g (B x - C) = cos (2 x - \frac{π}{2}), B = 2, C = \frac{π}{2}, D = - 2

Therefore, the phase shift

\frac{C}{B}

\frac{\frac{π}{2}}{2}

\frac{π}{4}

The vertical shift

D

- 2

- 2

f (x) = 3 x^{3} - 4 x + \frac{1}{3}

y = - \frac{2}{3} x + 5

f (x) = \frac{x - 4}{19}

x^{3} - 8 x^{2} - 12 x + 8

y = 7 x^{2} - 3

What is the shift-2+2cos(2x-pi/2) ?
The shift-2+2cos(2x-pi/2) is Phase: pi/4 , Vertical:-2