What is the domain of f(x)=x^2+2x+6 ?

The domain of f(x)=x^2+2x+6 is -infinity <x<infinity

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domain of f(x)=x^2+2x+6

domain

f (x) = x^{2} + 2 x + 6

- \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) = x^{2} + 2 x + 9

y = \frac{x}{x - 2} + x - 1

f (y) = - 3 y - 2

2 x + 20

f (x) = 18 - 2 x^{2}

What is the domain of f(x)=x^2+2x+6 ?
The domain of f(x)=x^2+2x+6 is -infinity <x<infinity