What is the domain of (4x)/(sqrt(x^2+15)) ?

The domain of (4x)/(sqrt(x^2+15)) is -infinity <x<infinity

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domain of (4x)/(sqrt(x^2+15))

domain

\frac{4 x}{x ^{2} + 15}

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

Find non-negative values for radicals:

- \infty < x < \infty

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

- \infty < x < \infty

sin (e^{- t})

f (x) = 3 - 9 x

(- 3, - 3), (2, 5)

y = 3 x - 1

y = x^{2} + 9

What is the domain of (4x)/(sqrt(x^2+15)) ?
The domain of (4x)/(sqrt(x^2+15)) is -infinity <x<infinity