What is the domain of (3+3x)/(x-2) ?

The domain of (3+3x)/(x-2) is x 2

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domain of (3+3x)/(x-2)

domain

\frac{3 + 3 x}{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

f (x) = 3 - \frac{5}{x ^{4}}

f (x) = \frac{x ^{2} + 5 x - 6}{x - 6}

y = \frac{x ^{2} + 9}{9 x ^{2} - 26 x - 3}

f (x) = x^{2} + 6 x + 4

f (x) = \frac{3 x ^{2}}{x ^{2} + 2}