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

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

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

domain

f (x) = x^{2} + 8 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

f (x) = \frac{6 x}{x ^{2} - 14 x + 45}

(x - 9) (x^{2} - 18 x - 162)

2 x^{2} + 5 x - 12

f (x) = \frac{sin ( x ) + 1}{x - 1}

f (x) = lo g_{10} (\frac{x - 3}{2})

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