What is the domain of 8x-2 ?

The domain of 8x-2 is -infinity <x<infinity

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domain of 8x-2

domain

8 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

f (x) = \frac{4 x + 5}{x ^{2} + 3 x - 18}

f (x) = e^{- x} sin (x), x \geq 0

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

f (x) = \frac{x - 4}{2 x - 8}

f (x) = \frac{x ^{2} + 5 x}{x ^{2} + 4 x + 4}