What is the domain of (x-4)/(x+4) ?

The domain of (x-4)/(x+4) is x -4

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domain of (x-4)/(x+4)

domain

\frac{x - 4}{x + 4}

x < - 4 or x > - 4

Interval Notation

(- \infty, - 4) \cup (- 4, \infty)

Solution steps

Find undefined (singularity) points:

x = - 4

The function domain

x < - 4 or x > - 4

∣ x - 2 ∣ + 3

f (x) = (x + 2) 3

f (x) = - 6 x^{2}

f (x) = - \frac{3}{( x + 8 )}

\frac{( x ^{2} )}{x - 7}