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Popular >

y=-2cos((-x)/2)

Solution

y = - 2 cos (\frac{- x}{2})

Solution

Period : 4 π

Domain : - \infty < x < \infty

Range : - 2 \leq f (x) \leq 2

X Intercepts : (3 π + 4 πn, 0), (π + 4 πn, 0), Y Intercepts : (0, - 2)

Asymptotes : None

Extreme Points : Minimum (4 πn, - 2), Maximum (2 π + 4 πn, 2)

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 2, 2]

Solution steps

Periodicity of

- 2 cos (\frac{- x}{2}) : 4 π

Domain of

- 2 cos (\frac{- x}{2}) : - \infty < x < \infty

Range of

- 2 cos (\frac{- x}{2}) : - 2 \leq f (x) \leq 2

Axis interception points of

- 2 cos (\frac{- x}{2}) :

X Intercepts

: (3 π + 4 πn, 0), (π + 4 πn, 0),

Y Intercepts

: (0, - 2)

Asymptotes of

- 2 cos (\frac{- x}{2}) :

None

Extreme Points of

- 2 cos (\frac{- x}{2}) :

Minimum

(4 πn, - 2),

Maximum

(2 π + 4 πn, 2)

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Frequently Asked Questions (FAQ)

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