giordanos10 giordanos10

16-08-2018
Mathematics

contestada

Find the domain of the rational expression: 4-x/3x+21

Respuesta :

choixongdong choixongdong

16-08-2018

(4-x) /(3x+21)

The denominator cannot be zero

3x + 21 ≠ 0

3x ≠ -21

x ≠ -7

The domain of the function will be all real number except -7

{x | x ≠ -7}

Answer Link

Otras preguntas

Tell me your opinion about the benefits (good things about) of the feudal system. 2-3 complete sentences.

helppppppppppppppppppppp

please help i don't know what to do A slope and x-interceptB slope and y-interceptC Slope and a point that is not an interceptD x-intercept and y-intercept E y-

The frequency of a sound wave is 457 Hz and the speed is 342.5 m/s. What is the sound's wavelength?

What does the variable r represent in the equation 10r+4=8? what does r represent in it????? URGENTTTT

Rearrange the following sentence in question tag "Interschool quizzes currently take place in the Western Cape and Kwazulu-natal

FRIGID WINTRY Which word is the least descriptive and would be considered the weakest word in this list? A) brisk B) cold C) frigid D wintry O Type here to sear

Help me please ASAP

How did the Jews leave the death camps?

What is the cultural context of the Great Gatsby?