(1) The following function z = f(x,y) gives the elevation 2 (in hundreds of feet) of a hillside above the point (x, y). Use the level curves of f below to answer this question. YA 4 6 3 8 11 10 13 A 2. 12 B 14 15 151 15 D E 0 1 2 3 4 x (a) SpongeBob and Patrick are standing on the surface above the point A(2, 2). At what elevation are SpongeBob and Patrick standing? (b) SpongeBob hikes south to the point on the surface above B(2, 1) and Patrick walks east to the point on the surface above C(3,2). Who experiences a greater elevation change? Who is higher at their respective final elevations and by how much