giordanos10
giordanos10 giordanos10
  • 16-08-2018
  • Mathematics
contestada

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

Respuesta :

choixongdong
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

One way in which Akbar the Great, Ivan the Terrible, and Louis XIV are similar is that they were all (1) theocratic rulers (3) absolute rulers (2) elected
is a elk a herbivore
In "A Shocking Accident", what did Jerome do when it was "neither too early nor too late"? Became engaged Visited his aunt Traveled to Italy Told a lie
would a scale that is used to weigh food be the best tool to weigh concrete blocks? explain why or why not
What is the relationship between each of the following terms and people and population of the 13 colonies? -indentured servant -triangular trade -middle passag
In the mid-1800s, one result of Manifest Destiny was that
how many $50 banknotes make up $1250
what is one reason Thomas Paine believes that the youth of the colonies is an advantage over Britain?
Which heading best completes the partial outline of British history below --Magna Carta --Bill of rights --Glorious revolution A) rise of absolutism B) begi
Help please!!!! c: Characters in a novel ideally act and react in a realistic world. true or false