Prove limh→0(heh−1=1 Exam Tips Write down the rules you use during simplification Think about what level of the course the question is to determine how much justification you need to give every question (for week 6 and above, you don’t need to prove by inequality) Precalculus Concepts Set Mathematical Symbols Proof Terminology Math Proofs Rigor Definition Axiom Conjecture Lemma Math Proofs Corollary Theorem Specific Problems Solving Absolute Function Inequalities Limit Definition Limits Formalized Definition Punctured Interval Proof Techniques Epsilon-Delta Proof Squeeze Theorem Continuity Theorem Proving Limit Properties Reciprocal Limits of Large Numbers Reciprocal Limit of Small Quotients Cancellation Theorem