What is the domain of f(x)=2sqrt(x^2) ?

The domain of f(x)=2sqrt(x^2) is -infinity <x<infinity

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domain of f(x)=2sqrt(x^2)

domain

f (x) = 2 x^{2}

- \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

f (x) = x ln (5 x)

f (x) = 3 x^{4} + 12 x^{3}

\frac{5 e ^{x}}{e ^{x} - 9}

f (x) = \frac{( x - 2 )}{( x + 3 )}

- \frac{1}{7} sin (5 x + \frac{π}{2})

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