What is the domain of f(x)=x^2+y^2=81 ?

The domain of f(x)=x^2+y^2=81 is -infinity <x<infinity

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domain of f(x)=x^2+y^2=81

domain

f (x) = x^{2} + y^{2} = 81

- \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) = x^{2} + y^{2} = 64

f (x) = \frac{2}{( x - 8 ) ( x + 7 )}

f (x) = [- 2.2]

f (x) = \frac{x - 9}{x + 8}

f (x) = ln (x^{3} - 12 x)

What is the domain of f(x)=x^2+y^2=81 ?
The domain of f(x)=x^2+y^2=81 is -infinity <x<infinity