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Popular Functions >

f(x)=7x^2-9x-5

Solution

f (x) = 7 x^{2} - 9 x - 5

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq - \frac{221}{28}

X Intercepts : (\frac{9 + 221}{14}, 0), (\frac{9 - 221}{14}, 0), Y Intercepts : (0, - 5)

Vertex : Minimum (\frac{9}{14}, - \frac{221}{28})

Inverse : \frac{9 + 28 x + 221}{14}, \frac{9 - 28 x + 221}{14}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- \frac{221}{28}, \infty)

Solution steps

Domain of

7 x^{2} - 9 x - 5 : - \infty < x < \infty

Range of

7 x^{2} - 9 x - 5 : f (x) \geq - \frac{221}{28}

Axis interception points of

7 x^{2} - 9 x - 5 :

X Intercepts

: (\frac{9 + 221}{14}, 0), (\frac{9 - 221}{14}, 0),

Y Intercepts

: (0, - 5)

Vertex of

7 x^{2} - 9 x - 5 :

Minimum

(\frac{9}{14}, - \frac{221}{28})

Inverse of

7 x^{2} - 9 x - 5 : \frac{9 + 28 x + 221}{14}, \frac{9 - 28 x + 221}{14}

Graph

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Frequently Asked Questions (FAQ)

What is the f(x)=7x^2-9x-5 ?
The f(x)=7x^2-9x-5 is