I don't get how to do this question. please show all work.

Your project should feature a practical problem from the field you are pursuing and require the use of calculus tools. Beyond that, problems might be either well-defined or open-ended.Contents 1. Abstract 2. Motivation 3. Mathematical Description and Solution Approach 4. Discussion5. Conclusions and Recommendations 6. Nomenclature7. References Appendix (calculations, graphs, pictures, spreadsheet information …) For more information see the – Guidelines for Students. Please follow the guidelines for each of them.

There is a total of 7 multiple choice questions that have all been answered i just need you to check them.