Answer to Question #314286 in Calculus for salman

Question

3. (a) Find the function’s domain,

(b) Find the function’s range,

(c) Find the boundary of the function’s domain,

(d) Determine if the domain is an open region, closed region, or neither, and

(e) Decide if the domain is bounded or unbounded.

(i) f(x, y) = xy

(iii) f(x, y) = ln(x^2+y^2-1)