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Popular >

f(x)=-4cos(2x)

Solution

f (x) = - 4 cos (2 x)

Solution

Period : π

Domain : - \infty < x < \infty

Range : - 4 \leq f (x) \leq 4

X Intercepts : (\frac{π}{4} + πn, 0), (\frac{3 π}{4} + πn, 0), Y Intercepts : (0, - 4)

Asymptotes : None

Extreme Points : Minimum (πn, - 4), Maximum (\frac{π}{2} + πn, 4)

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 4, 4]

Solution steps

Periodicity of

- 4 cos (2 x) : π

Domain of

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

Range of

- 4 cos (2 x) : - 4 \leq f (x) \leq 4

Axis interception points of

- 4 cos (2 x) :

X Intercepts

: (\frac{π}{4} + πn, 0), (\frac{3 π}{4} + πn, 0),

Y Intercepts

: (0, - 4)

Asymptotes of

- 4 cos (2 x) :

None

Extreme Points of

- 4 cos (2 x) :

Minimum

(πn, - 4),

Maximum

(\frac{π}{2} + πn, 4)

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\int \frac{4 x ^{2}}{( 16 + x ^{2} ) ^{2}} d x

y^{''}-6y^'-7y=15e^{2t}

y^{^{''}} - 6 y^{^{'}} - 7 y = 15 e^{2 t}

Frequently Asked Questions (FAQ)

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