What is the domain of f(x)=sqrt(x^2)-2x-24 ?

The domain of f(x)=sqrt(x^2)-2x-24 is -infinity <x<infinity

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domain of f(x)=sqrt(x^2)-2x-24

domain

f (x) = x^{2} - 2 x - 24

- \infty < x < \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) = \frac{x ^{2} - 7}{x - 4}

\frac{( 3 x - 15 )}{- x ^{2} + 5 x}

- x + 3

f (x) = - \frac{1}{2} x + 15

(- 3, 7), (1, - 1)

What is the domain of f(x)=sqrt(x^2)-2x-24 ?
The domain of f(x)=sqrt(x^2)-2x-24 is -infinity <x<infinity