Respuesta :

Matheng

Answer:

The answer is option b. -4

Step-by-step explanation:

Given: [tex]\frac{x-4}{4+x}[/tex]

the rational expression will be undefined at the zeros of the denominator

To find the zeros of the denominator

the denominator = 0

∴ 4 + x = 0

∴ x = -4

So, the rational expression will be undefined at x = -4

The answer is option b. -4

mon29ika29

Answer:

b)

Step-by-step explanation:

[tex]\frac{x-4}{4+x}\ and\ 4+x\neq 0\ (we\ can't\ divide\ by\ 0)[/tex]

[tex]4+x\neq 0\\x\neq -4[/tex]

Otras preguntas