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Popular >

f(-3)=-2x^2-5x

Solution

f (- 3) = - 2 x^{2} - 5 x

Solution

Domain : - \infty < x < \infty

Range : f (x) \leq \frac{25}{8}

X Intercepts : (- \frac{5}{2}, 0), (0, 0), Y Intercepts : (0, 0)

Vertex : Maximum (- \frac{5}{4}, \frac{25}{8})

Inverse : - \frac{5 + 25 - 8 x}{4}, - \frac{5 - 25 - 8 x}{4}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : (- \infty, \frac{25}{8}]

Solution steps

Domain of

- 2 x^{2} - 5 x : - \infty < x < \infty

Range of

- 2 x^{2} - 5 x : f (x) \leq \frac{25}{8}

Axis interception points of

- 2 x^{2} - 5 x :

X Intercepts

: (- \frac{5}{2}, 0), (0, 0),

Y Intercepts

: (0, 0)

Vertex of

- 2 x^{2} - 5 x :

Maximum

(- \frac{5}{4}, \frac{25}{8})

Inverse of

- 2 x^{2} - 5 x : - \frac{5 + 25 - 8 x}{4}, - \frac{5 - 25 - 8 x}{4}

Popular Examples

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y = \frac{9 x ^{2} + 81 x}{x ^{3} + 8 x ^{2} - 9 x}

f (x) = 35

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