What is the domain of (x-7)/(x+2) ?

The domain of (x-7)/(x+2) is x -2

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domain of (x-7)/(x+2)

domain

\frac{x - 7}{x + 2}

x < - 2 or x > - 2

Interval Notation

(- \infty, - 2) \cup (- 2, \infty)

Solution steps

Find undefined (singularity) points:

x = - 2

The function domain

x < - 2 or x > - 2

y = 1 - ∣ x ∣

f (x) = \frac{x}{x + 5}

\frac{4}{2 x ^{2} - 3}

lo g_{10} (2 x^{2} - 5 x + 3)

1 + 8^{- x}