What is the domain of f(x)=-3x^3+9x^2+12x ?

The domain of f(x)=-3x^3+9x^2+12x is -infinity <x<infinity

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domain of f(x)=-3x^3+9x^2+12x

domain

f (x) = - 3 x^{3} + 9 x^{2} + 12 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) = - \frac{5}{x + 1}

x^{2} - 5 x + 1

f (x) = 5 tan (3 x)

y = - \frac{7}{9} x - 2 (- 3.4)

- x^{2} + 4 x

What is the domain of f(x)=-3x^3+9x^2+12x ?
The domain of f(x)=-3x^3+9x^2+12x is -infinity <x<infinity