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which funtion's domain consists of all real numbers execpt -2 will mark brainliest and im giving 87 points

which funtions domain consists of all real numbers execpt 2 will mark brainliest and im giving 87 points class=

Respuesta :

snog

Answer:

A

Step-by-step explanation:

Basically when we have x in the denominator, we don't want the denominator to be 0 as the value of f(x) will then be undefined. Therefore the answer is A.