What is the shift 2cos((2pi)/4 (x+2))-1 ?

The shift 2cos((2pi)/4 (x+2))-1 is Phase:-2, Vertical:-1

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shift 2cos((2pi)/4 (x+2))-1

shift

2 cos (\frac{2 π}{4} (x + 2)) - 1

Phase : - 2, Vertical : - 1

Solution steps

Simplify

2 cos (\frac{2 π}{4} (x + 2)) - 1 : 2 cos (\frac{π ( x + 2 )}{2}) - 1

f (x) = 2 cos (\frac{π ( x + 2 )}{2}) - 1

g (B x - C) = cos (\frac{π ( x + 2 )}{2}), B = \frac{3 π}{2} - π, C = - π, D = - 1

Therefore, the phase shift

\frac{C}{B}

\frac{- π}{\frac{3 π}{2} - π}

- 2

The vertical shift

D

- 1

- 1

(- 2, - 5), (6, 1)

3 x + 2 y = 5

(- 2, 3), (4, 7)

- 7

f (x) = \frac{6}{7 + x}

What is the shift 2cos((2pi)/4 (x+2))-1 ?
The shift 2cos((2pi)/4 (x+2))-1 is Phase:-2, Vertical:-1