What is the domain of (x-5)/(x^2+25)-3x ?

The domain of (x-5)/(x^2+25)-3x is -infinity <x<infinity

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domain of (x-5)/(x^2+25)-3x

domain

\frac{x - 5}{x ^{2} + 25} - 3 x

- \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

f (x) = - 3 x^{2} + 5

f (x) = x^{2} - 2 x + 7

f (x) = - \frac{1}{x}

\frac{x ^{2} - 4}{3 x - 6}

x^{2} - 4 x - 12

What is the domain of (x-5)/(x^2+25)-3x ?
The domain of (x-5)/(x^2+25)-3x is -infinity <x<infinity