What is the domain of y=x^2-2x-1 ?

The domain of y=x^2-2x-1 is -infinity <x<infinity

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domain of y=x^2-2x-1

domain

y = x^{2} - 2 x - 1

- \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

5 x - 10

f (x) = \frac{x + 4}{x ^{2} - 5 x + 6}

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

6 x - 1

What is the domain of y=x^2-2x-1 ?
The domain of y=x^2-2x-1 is -infinity <x<infinity