What is the domain of f(x)=2ln(1+x^2) ?

The domain of f(x)=2ln(1+x^2) is -infinity <x<infinity

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domain of f(x)=2ln(1+x^2)

domain

f (x) = 2 ln (1 + x^{2})

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

Find positive values for logs:

- \infty < x < \infty

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

- \infty < x < \infty

f (x) = \frac{x ^{2} - 9}{x ^{2} - 2 x - 3}

2 lo g_{7} (x - 12)

\frac{2 x + 3}{1 - 5 x}

f (x) = - x + 1 - 4

f (x) = x^{2} + 9 x + 18

What is the domain of f(x)=2ln(1+x^2) ?
The domain of f(x)=2ln(1+x^2) is -infinity <x<infinity