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

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

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domain of y=x^3+3x^2

domain

y = x^{3} + 3 x^{2}

- \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) = 4 x^{5} + 16 x^{2} + 8

(- 5 x)^{5}

f (x) = \frac{x ^{2} + 1}{x ^{2} - 9}

f (x) = 4 + 2 x + 1

f (x) = (x + 4)^{3} + 5

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