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

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

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domain of y=-2x-1

domain

y = - 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

\frac{1}{x ^{2} + 6 x + 9}

y = - 2 x - 2

f (x) = (x - 7)^{2} + (y - 1)^{2} = 4

t^{2} - 4 t + 2

5 x^{2} e^{- x}