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Popular >

f(x)=9x^2+66x+21

Solution

f (x) = 9 x^{2} + 66 x + 21

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq - 100

X Intercepts : (- \frac{1}{3}, 0), (- 7, 0), Y Intercepts : (0, 21)

Vertex : Minimum (- \frac{11}{3}, - 100)

Inverse : \frac{- 11 + x + 100}{3}, - \frac{x + 100 + 11}{3}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 100, \infty)

Solution steps

Domain of

9 x^{2} + 66 x + 21 : - \infty < x < \infty

Range of

9 x^{2} + 66 x + 21 : f (x) \geq - 100

Axis interception points of

9 x^{2} + 66 x + 21 :

X Intercepts

: (- \frac{1}{3}, 0), (- 7, 0),

Y Intercepts

: (0, 21)

Vertex of

9 x^{2} + 66 x + 21 :

Minimum

(- \frac{11}{3}, - 100)

Inverse of

9 x^{2} + 66 x + 21 : \frac{- 11 + x + 100}{3}, - \frac{x + 100 + 11}{3}

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Frequently Asked Questions (FAQ)

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