en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

critical 7x^2-8x

Solution

critical points

7 x^{2} - 8 x

Solution

x = \frac{4}{7}

Solution steps

7 x^{2} - 8 x

Find where

f^{'} (x)

is equal to zero or undefined

x = \frac{4}{7}

Identify critical points not in

f (x)

domain

Domain of

7 x^{2} - 8 x : - \infty < x < \infty

All critical points are in domain

x = \frac{4}{7}

Popular Examples

inverse of f(x)=ln(3x)+4 inverse

f (x) = ln (3 x) + 4

parity arctan((x-1)/(x+1))parity

arctan (\frac{x - 1}{x + 1})

line (0,2),(4,3)line

(0, 2), (4, 3)

parity f(x)=2x-x^3 parity

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

range of cos(x)range

cos (x)

Frequently Asked Questions (FAQ)

What is the critical 7x^2-8x ?
The critical 7x^2-8x is x= 4/7