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Popular >

f(x)=(21x^2-2x+1)/(21)

Solution

f (x) = \frac{21 x ^{2} - 2 x + 1}{21}

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq \frac{20}{441}

Y Intercepts : (0, \frac{1}{21})

Vertex : Minimum (\frac{1}{21}, \frac{20}{441})

Inverse : \frac{1 + 441 x - 20}{21}, \frac{1 - 441 x - 20}{21}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [\frac{20}{441}, \infty)

Solution steps

Domain of

\frac{21 x ^{2} - 2 x + 1}{21} : - \infty < x < \infty

Range of

\frac{21 x ^{2} - 2 x + 1}{21} : f (x) \geq \frac{20}{441}

Axis interception points of

\frac{21 x ^{2} - 2 x + 1}{21} :

Y Intercepts

: (0, \frac{1}{21})

Vertex of

\frac{21 x ^{2} - 2 x + 1}{21} :

Minimum

(\frac{1}{21}, \frac{20}{441})

Inverse of

\frac{21 x ^{2} - 2 x + 1}{21} : \frac{1 + 441 x - 20}{21}, \frac{1 - 441 x - 20}{21}

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Frequently Asked Questions (FAQ)

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