Applied Investigation · Unit 02

Limit Evidence Laboratory

How can values near an input reveal behavior at that input—even when direct substitution fails?

Investigation purpose

Use the unit's central calculus ideas to answer a meaningful question with symbolic, graphical, numerical, and contextual evidence. The finished work must be reproducible, interpretable, and honest about assumptions.

Plan

Define variables, units, domain, assumptions, constraints, and the question being answered.

Analyze

Use at least two calculus representations and show the governing theorem, derivative, integral, or differential equation.

Validate

Check with technology, an alternate method, a limiting case, or observed data. Explain discrepancies.

Required evidence

  1. One-page project brief and diagram.
  2. Complete mathematical development with notation and units.
  3. At least one graph, table, or CAD/measurement artifact where relevant.
  4. Error analysis or model limitation.
  5. Written conclusion that answers the original question.
  6. Two-minute oral defense or recorded explanation.

OHMIC CAD option: For design, optimization, cross-section, scale, or volume work, learners may build an OHMIC CAD artifact and retain a print, SVG, or PDF export with the mathematical record.

Rubric · 100 points

CriterionPoints
Question, variables, units, assumptions, and domain20
Correct calculus reasoning and notation30
Representations, evidence, and technology documentation20
Validation, error analysis, and limitations15
Communication and oral defense15
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