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

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

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

domain

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

- \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^{5} + x^{4}

\frac{3}{4} x - 6

f (x) = \frac{1}{3 x + 7}

f (x) = 3^{x - 4}

f (x) = 3^{x + 5}

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