What is the domain of f(x)=(2x)/(x^2+4) ?

The domain of f(x)=(2x)/(x^2+4) is -infinity <x<infinity

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domain of f(x)=(2x)/(x^2+4)

domain

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

- \infty < x < \infty

Solution steps

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

- \infty < x < \infty

f (x) = ln (x^{2})

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

(- 6, 8), (0, 0.5)

f (x) = - 5 x + 6 y = 21

f (x) = 4 x^{3} - 16 x

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