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Popular Functions >

f(x)=x^2+2x-1

Solution

f (x) = x^{2} + 2 x - 1

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq - 2

X Intercepts : (- 1 + 2, 0), (- 1 - 2, 0), Y Intercepts : (0, - 1)

Vertex : Minimum (- 1, - 2)

Inverse : - 1 + x + 2, - x + 2 - 1

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 2, \infty)

Solution steps

Domain of

x^{2} + 2 x - 1 : - \infty < x < \infty

Range of

x^{2} + 2 x - 1 : f (x) \geq - 2

Axis interception points of

x^{2} + 2 x - 1 :

X Intercepts

: (- 1 + 2, 0), (- 1 - 2, 0),

Y Intercepts

: (0, - 1)

Vertex of

x^{2} + 2 x - 1 :

Minimum

(- 1, - 2)

Inverse of

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

Graph

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Frequently Asked Questions (FAQ)

What is the f(x)=x^2+2x-1 ?
The f(x)=x^2+2x-1 is