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Popular Functions >

f(x)=x^2-2x-8

Solution

f (x) = x^{2} - 2 x - 8

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq - 9

X Intercepts : (4, 0), (- 2, 0), Y Intercepts : (0, - 8)

Vertex : Minimum (1, - 9)

Inverse : 1 + x + 9, 1 - x + 9

+1

Interval Notation

Domain : (- \infty, \infty)

Solution steps

Domain of

x^{2} - 2 x - 8 : - \infty < x < \infty

Range of

x^{2} - 2 x - 8 : f (x) \geq - 9

Axis interception points of

x^{2} - 2 x - 8 :

X Intercepts

: (4, 0), (- 2, 0),

Y Intercepts

: (0, - 8)

Vertex of

x^{2} - 2 x - 8 :

Minimum

(1, - 9)

Inverse of

x^{2} - 2 x - 8 : 1 + x + 9, 1 - x + 9

Graph

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Frequently Asked Questions (FAQ)

What is the f(x)=x^2-2x-8 ?
The f(x)=x^2-2x-8 is