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Popular >

f(x)=7cos(x)

Solution

f (x) = 7 cos (x)

Solution

Period : 2 π

Domain : - \infty < x < \infty

Range : - 7 \leq f (x) \leq 7

X Intercepts : (\frac{π}{2} + 2 πn, 0), (\frac{3 π}{2} + 2 πn, 0), Y Intercepts : (0, 7)

Asymptotes : None

Extreme Points : Maximum (2 πn, 7), Minimum (π + 2 πn, - 7)

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 7, 7]

Solution steps

Periodicity of

7 cos (x) : 2 π

Domain of

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

Range of

7 cos (x) : - 7 \leq f (x) \leq 7

Axis interception points of

7 cos (x) :

X Intercepts

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

Y Intercepts

: (0, 7)

Asymptotes of

7 cos (x) :

None

Extreme Points of

7 cos (x) :

Maximum

(2 πn, 7),

Minimum

(π + 2 πn, - 7)

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