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Popular Functions >

f(x)=2cos(x)

Solution

f (x) = 2 cos (x)

Solution

Period : 2 π

Domain : - \infty < x < \infty

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

X Intercepts : (\frac{π}{2} + 2 πn, 0), (\frac{3 π}{2} + 2 πn, 0), Y Intercepts : (0, 2)

Asymptotes : None

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

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 2, 2]

Solution steps

Periodicity of

2 cos (x) : 2 π

Domain of

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

Range of

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

Axis interception points of

2 cos (x) :

X Intercepts

: (\frac{π}{2} + 2 πn, 0), (\frac{3 π}{2} + 2 πn, 0),

Y Intercepts

: (0, 2)

Asymptotes of

2 cos (x) :

None

Extreme Points of

2 cos (x) :

Maximum

(2 πn, 2),

Minimum

(π + 2 πn, - 2)

Graph

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Frequently Asked Questions (FAQ)

What is the f(x)=2cos(x) ?
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