What is the domain of y=x^2+3x ?

The domain of y=x^2+3x is -infinity <x<infinity

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domain of y=x^2+3x

domain

y = x^{2} + 3 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

\frac{1}{9.2 x - 3.1 x ^{2}}

f (x) = 3 ln (1 + x) - x^{2} + 4

f (x) = \frac{3}{2 x - 18}

f (x) = \frac{8 cos ( x )}{1 - sin ( x )}

y = \frac{2}{( x - 3 ) ( x - 8 )}

What is the domain of y=x^2+3x ?
The domain of y=x^2+3x is -infinity <x<infinity