What is the domain of (3x)/4 ?

The domain of (3x)/4 is -infinity <x<infinity

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domain of (3x)/4

domain

\frac{3 x}{4}

- \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

f (x) = x + 2 ln (1 + \frac{1}{x})

3 - (x + 1)^{2}

y = f (y, x) x = - 1 x

y = lo g_{10} (a) (x)

f (x) = \frac{x ^{2} - x}{- x - 4}