What is the domain of 3/4 x+2 ?

The domain of 3/4 x+2 is -infinity <x<infinity

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domain of 3/4 x+2

domain

\frac{3}{4} x + 2

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

y = \frac{x + 9}{x ^{2} - 81}

y = arcsin (\frac{1}{x})

f (t) = 4 - x

\frac{2 x ^{2} + 2 x - 12}{x ^{2} + 4 x - 5}

f (x) = \frac{x ^{2} + 5 x + 6}{x ^{2} + 9}