Question 867062
what is the domain for: 
x^2+(y-6)^2=9
(y-6)^2=9-x^2
y-6=√(9-x^2)
radican≥0
9-x^2≥0
(3+x)(3-x)≥0
number line
<..-...[-3...+....3]...-...>
Domain: [-3, 3]