What is the domain of x^2-x-5 ?

The domain of x^2-x-5 is -infinity <x<infinity

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domain of x^2-x-5

domain

x^{2} - x - 5

- \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

x^{2} - x - 1

f (x) = \frac{4 x - 3}{7}

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

1 + 2 x

f (x) = \frac{( 9 x - 4 )}{4 x + 8}