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Popular >

f(x)=7x^2-12x+21

Solution

f (x) = 7 x^{2} - 12 x + 21

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq \frac{111}{7}

Y Intercepts : (0, 21)

Vertex : Minimum (\frac{6}{7}, \frac{111}{7})

Inverse : \frac{6 + 7 x - 111}{7}, \frac{6 - 7 x - 111}{7}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [\frac{111}{7}, \infty)

Solution steps

Domain of

7 x^{2} - 12 x + 21 : - \infty < x < \infty

Range of

7 x^{2} - 12 x + 21 : f (x) \geq \frac{111}{7}

Axis interception points of

7 x^{2} - 12 x + 21 :

Y Intercepts

: (0, 21)

Vertex of

7 x^{2} - 12 x + 21 :

Minimum

(\frac{6}{7}, \frac{111}{7})

Inverse of

7 x^{2} - 12 x + 21 : \frac{6 + 7 x - 111}{7}, \frac{6 - 7 x - 111}{7}

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Frequently Asked Questions (FAQ)

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