You arrive at a National Park and are given a contour map. You're told that if you hike in a straight line on this map from your current location of (-2, -1) to the point (4, 2), you will encounter some beautiful views. Before you set out, you learn that the function f(x, y) = xy + describes the elevation (in hundreds of feet) in your area. Calculate the absolute maximum and minimum elevations along your hiking trail. max: 1200 ft, min: 300 ft max: 1200 ft, min: Oft max: 400 ft, min: -200 ft max: 500 ft, min: -200 ft max: 400 ft, min: Oft