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Popular >

y=3cos(3x)

Solution

y = 3 cos (3 x)

Solution

Period : \frac{2 π}{3}

Domain : - \infty < x < \infty

Range : - 3 \leq f (x) \leq 3

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

Asymptotes : None

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

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 3, 3]

Solution steps

Periodicity of

3 cos (3 x) : \frac{2 π}{3}

Domain of

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

Range of

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

Axis interception points of

3 cos (3 x) :

X Intercepts

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

Y Intercepts

: (0, 3)

Asymptotes of

3 cos (3 x) :

None

Extreme Points of

3 cos (3 x) :

Maximum

(\frac{2 π}{3} n, 3),

Minimum

(\frac{π}{3} + \frac{2 π}{3} n, - 3)

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Frequently Asked Questions (FAQ)

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