APPENDIX A SOLUTIONS 269 APPENDIX Solutions for Section A 1. The graph is -3 -2 -1 1 2 3 -40 -20 20 40 (a) The range appears to be y ≤ 30. (b) The function has two zeros.…
15.1 SOLUTIONS 1039 CHAPTER FIFTEEN Solutions for Section 15.1 Exercises 1. The point A is not a critical point and the contour lines look like parallel lines. The point…