What is the domain of y=x^3+x^2-20x ?

The domain of y=x^3+x^2-20x is -infinity <x<infinity

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domain of y=x^3+x^2-20x

domain

y = x^{3} + x^{2} - 20 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

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

f (x) = 7 + 3 x

f (x) = \frac{3 x + 1}{2 x ^{2} - 7 x - 4}

f (x) = \frac{6}{x} x - 6

y = 1 - x

What is the domain of y=x^3+x^2-20x ?
The domain of y=x^3+x^2-20x is -infinity <x<infinity