Q1.

Let f(x, y) = V16 - 4x2 - y2. (a). Find and sketch the domain of this function. (b). Describe and sketch the level curves f(x, y) = 0, f(x, y) = 2, and f(x, y) = 4. You may draw all of them in the same plane. (c). Find the range of this function.Let f (11:, y) = ivyH. Describe and sketch the level curves f (1:,y) = 0, f (:17, y) = 1, ax}, y) : 2, and f(:1:,y) : 3. You may draw all of them in the same plane