What is the domain of f(x)=7x^3+8x^2-9 ?

The domain of f(x)=7x^3+8x^2-9 is -infinity <x<infinity

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domain of f(x)=7x^3+8x^2-9

domain

f (x) = 7 x^{3} + 8 x^{2} - 9

- \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 = (x - 8)^{2}

f (x) = \frac{x + 6}{x ^{2} + 2 x - 35}

\frac{( 3 x ^{2} - 4 x - 4 )}{( x - 2 )}

f (x) = \frac{- 10}{z - 3}

3 e^{1 - x^{2}} x^{2}

What is the domain of f(x)=7x^3+8x^2-9 ?
The domain of f(x)=7x^3+8x^2-9 is -infinity <x<infinity