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Popular >

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

Solution

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

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq \frac{55}{28}

Y Intercepts : (0, 2)

Vertex : Minimum (- \frac{1}{14}, \frac{55}{28})

Inverse : \frac{- 1 + 28 x - 55}{14}, \frac{- 1 - 28 x - 55}{14}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [\frac{55}{28}, \infty)

Solution steps

Domain of

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

Range of

7 x^{2} + x + 2 : f (x) \geq \frac{55}{28}

Axis interception points of

7 x^{2} + x + 2 :

Y Intercepts

: (0, 2)

Vertex of

7 x^{2} + x + 2 :

Minimum

(- \frac{1}{14}, \frac{55}{28})

Inverse of

7 x^{2} + x + 2 : \frac{- 1 + 28 x - 55}{14}, \frac{- 1 - 28 x - 55}{14}

Popular Examples

f(x)=sqrt(3)*x^2+10x+7sqrt(3)

f (x) = 3 \cdot x^{2} + 10 x + 73

y=x^3+6x^2+9x+4

y = x^{3} + 6 x^{2} + 9 x + 4

y=((x-2)/4)^2-2((x-2)/4)

y = (\frac{x - 2}{4})^{2} - 2 (\frac{x - 2}{4})

f(x)=(x+1)(x-3)(x-5)

f (x) = (x + 1) (x - 3) (x - 5)

y=x^2log_{10}(x)

y = x^{2} lo g_{10} (x)

Frequently Asked Questions (FAQ)

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