AP Precalculus · Unit 2
Exponential and logarithmic functions
Distinguish additive and multiplicative change, validate models, invert functions, and solve with logarithms.
Complete public questions
Four reviewed samples from this unit
01
Unit 2 · 2.2.B
2.2 Change in Linear and Exponential Functions
foundational · graph · no calculator02Unit 2 · 2.5.A
2.5 Exponential Function Context and Data Modeling
moderate · shared stimulus · no calculator03Unit 2 · 2.6.B
2.6 Competing Function Model Validation
challenging · table · calculator required04Unit 2 · 2.13.A
2.13 Exponential and Logarithmic Equations and Inequalities
challenging · graph · calculator requiredWhat AP adds
Beyond exponent rules, AP expects proportional-change reasoning, residual analysis, inverse interpretation, and domain-aware logarithmic solving.
See how Unit 2 concepts are tested on the 2027 exam format →