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Popular >

f(x)=7x^2-x+1

Solution

f (x) = 7 x^{2} - x + 1

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq \frac{27}{28}

Y Intercepts : (0, 1)

Vertex : Minimum (\frac{1}{14}, \frac{27}{28})

Inverse : \frac{1 + 28 x - 27}{14}, \frac{1 - 28 x - 27}{14}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [\frac{27}{28}, \infty)

Solution steps

Domain of

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

Range of

7 x^{2} - x + 1 : f (x) \geq \frac{27}{28}

Axis interception points of

7 x^{2} - x + 1 :

Y Intercepts

: (0, 1)

Vertex of

7 x^{2} - x + 1 :

Minimum

(\frac{1}{14}, \frac{27}{28})

Inverse of

7 x^{2} - x + 1 : \frac{1 + 28 x - 27}{14}, \frac{1 - 28 x - 27}{14}

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