What is the domain of f? khan academy

A

Step-by-step explanation:

f(x) =

The denominator cannot be zero as this would make f(x) undefined.

Equating the denominator to zero and solving gives the value that x cannot be.

x + 2 = 0 ⇒ x = - 2 ← excluded value in the domain

The domain of f(x) is all real values of x such that x ≠ - 2

the equivalent expression are always the hardest ones but you look at the gcf also

step-by-step explanation:

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im not sure