from the graph of x and y shown , we know that the x and y value cant be exceed 3 , since it's a circle , why the domain for x and y is x and y can be any number (R) ?
from the graph of x and y shown , we know that the x and y value cant be exceed 3 , since it's a circle , why the domain for x and y is x and y can be any number (R) ?