en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

f(x)=2x^2-7x-4

Solution

f (x) = 2 x^{2} - 7 x - 4

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq - \frac{81}{8}

X Intercepts : (4, 0), (- \frac{1}{2}, 0), Y Intercepts : (0, - 4)

Vertex : Minimum (\frac{7}{4}, - \frac{81}{8})

Inverse : \frac{7 + 8 x + 81}{4}, \frac{7 - 8 x + 81}{4}

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- \frac{81}{8}, \infty)

Solution steps

Domain of

2 x^{2} - 7 x - 4 : - \infty < x < \infty

Range of

2 x^{2} - 7 x - 4 : f (x) \geq - \frac{81}{8}

Axis interception points of

2 x^{2} - 7 x - 4 :

X Intercepts

: (4, 0), (- \frac{1}{2}, 0),

Y Intercepts

: (0, - 4)

Vertex of

2 x^{2} - 7 x - 4 :

Minimum

(\frac{7}{4}, - \frac{81}{8})

Inverse of

2 x^{2} - 7 x - 4 : \frac{7 + 8 x + 81}{4}, \frac{7 - 8 x + 81}{4}

Popular Examples

f (x) = ∣ 2 - x ∣

f(x)=ln(sqrt(cos(x^4)))

f (x) = ln (cos (x^{4}))

y=log_{3}(x+2)-2

y = lo g_{3} (x + 2) - 2

y=-3cos(2x)-2.5

y = - 3 cos (2 x) - 2.5

f (x) = 3 x^{2} - x + 10

Frequently Asked Questions (FAQ)

What is the f(x)=2x^2-7x-4 ?
The f(x)=2x^2-7x-4 is