What is the domain of (4x^2)/(3+x^2) ?

The domain of (4x^2)/(3+x^2) is -infinity <x<infinity

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domain of (4x^2)/(3+x^2)

domain

\frac{4 x ^{2}}{3 + 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

\frac{x - 4}{x + 3}

f (x) = 2 x^{2} - 4 x

f (x) = x^{2} - 11

f (x) = ln (2 x + 8)

f (x) = ln (2 x + 3)

What is the domain of (4x^2)/(3+x^2) ?
The domain of (4x^2)/(3+x^2) is -infinity <x<infinity