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

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

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

domain

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

2 sin (x) + cos (2 x)

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

g (x) = \frac{2}{x + 3}

y = \frac{1}{( x + 1 ) ^{3}}

f (x) = (- 100.2)

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