Your file contains a variety of mathematical problems spanning calculus, limits, continuity, integrals, and other topics. Let me know which specific question you'd like assistance with, and I can provide a detailed solution.

Here are some examples of what you could request:

1. Solutions to any specific numbered problem.
2. Detailed explanations for continuity or limit problems.
3. Integral computations step-by-step.
4. Tangent line equations or derivations.
5. Anything else math-related from the file.

Let me know where you'd like to start!