⚠️ DRAFT HANDOUT - NOT FINALIZED BY INSTRUCTOR - DO NOT PRINT YET

MATH-181 (Calculus I) Curriculum

Session 05 - Special Limits and Continuity

Handout Worksheet
Fall Semester 2026
Session Objectives & Overview

By the end of this session, you will be able to:

  • Navigating Composite Boundaries (The Inside-Out Limit)
  • Algebraic Deflation of Indeterminate Forms
  • Formal Verification and Structural Mapping of Discontinuity

Micro-Lecture

Engineering Context: Designing Smooth and Predictable Systems

The three core mathematical skills taught in these notes—navigating composite boundaries, algebraically deflating indeterminate forms, and formally verifying continuity—serve as foundational pillars across real-life engineering disciplines, where systems inherently change, fail, or stabilize at critical boundaries. In system-of-systems engineering, such as automated biomedical drug delivery pumps or electrical control loops, mastering composite boundaries allows engineers to predict how cascading components handle shifting inputs and ensure output signals clamp safely at stable thresholds. When physical systems reach a structural paradox, mechanical and civil engineers use algebraic deflation to bypass dangerous mathematical singularities, allowing them to reveal true, finite limits of stress concentration at the microscopic tip of a structural crack or calculate the exact maximum sway of a skyscraper experiencing earthquake resonance. Finally, because real-world disruptions like an aerospace polymer freezing into a brittle state or a chemical batch reactor hitting an explosive thermal threshold represent mathematical discontinuities, engineers rely on formal verification to map out these precise phase transitions and program automated safety systems to handle critical operational boundaries.

Skill Block 1

Regroup 1

  • Review common misconceptions and clarify key notations.

Skill Block 2

Regroup 2

  • Reflect on the physical modeling applications and mathematical setups.

Skill Block 3

Regroup 3

  • Verify calculations and mathematical reasoning.

Synthesis Wrap-up

  • Core takeaways from Session 05 and overview of homework Knewton: Continuity.