Description: A one-page formula and concept reference for the entire AP Precalculus course - every unit, every key formula, and all the trig identities your students need for exam prep. All 4 Units Covered: 🌾 Unit 1: Polynomials & Rational Functions – function basics, average rate of change, polynomial degree & zeros, multiplicity, rational functions, vertical & slant asymptotes, end behavior, transformations, choosing appropriate models 🔋 Unit 2: Exponential & Logarithmic Functions –