en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

y=9x^2-81

Solution

y = 9 x^{2} - 81

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq - 81

X Intercepts : (3, 0), (- 3, 0), Y Intercepts : (0, - 81)

Vertex : Minimum (0, - 81)

Inverse : \frac{x + 81}{3}, - \frac{x + 81}{3}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 81, \infty)

Solution steps

Domain of

9 x^{2} - 81 : - \infty < x < \infty

Range of

9 x^{2} - 81 : f (x) \geq - 81

Axis interception points of

9 x^{2} - 81 :

X Intercepts

: (3, 0), (- 3, 0),

Y Intercepts

: (0, - 81)

Vertex of

9 x^{2} - 81 :

Minimum

(0, - 81)

Inverse of

9 x^{2} - 81 : \frac{x + 81}{3}, - \frac{x + 81}{3}

Popular Examples

f(x)=x^5-2x^3+x+7

f (x) = x^{5} - 2 x^{3} + x + 7

f (x) = x^{2} - 2 x^{4}

p(x)=(x+1)^2(x-3)

p (x) = (x + 1)^{2} (x - 3)

y=2x^3-15x^2+36+20

y = 2 x^{3} - 15 x^{2} + 36 + 20

p (x) = 5 x + 7

Frequently Asked Questions (FAQ)

What is the y=9x^2-81 ?
The y=9x^2-81 is