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Popular >

f(x)=2cos(3x)

Solution

f (x) = 2 cos (3 x)

Solution

Period : \frac{2 π}{3}

Domain : - \infty < x < \infty

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

X Intercepts : (\frac{π}{6} + \frac{2 πn}{3}, 0), (\frac{π}{2} + \frac{2 πn}{3}, 0), Y Intercepts : (0, 2 cos (3 \cdot 0))

Asymptotes : None

Extreme Points : Maximum (\frac{2 π}{3} n, 2), Minimum (\frac{π}{3} + \frac{2 π}{3} n, - 2)

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Solution steps

Periodicity of

2 cos (3 x) : \frac{2 π}{3}

Domain of

2 cos (3 x) : - \infty < x < \infty

Range of

2 cos (3 x) : - 2 \leq f (x) \leq 2

Axis interception points of

2 cos (3 x) :

X Intercepts

: (\frac{π}{6} + \frac{2 πn}{3}, 0), (\frac{π}{2} + \frac{2 πn}{3}, 0),

Y Intercepts

: (0, 2 cos (3 \cdot 0))

Asymptotes of

2 cos (3 x) :

None

Extreme Points of

2 cos (3 x) :

Maximum

(\frac{2 π}{3} n, 2),

Minimum

(\frac{π}{3} + \frac{2 π}{3} n, - 2)

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Frequently Asked Questions (FAQ)

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