2026, Question 2 · Modeling a Non-Periodic Context · 6 points
Exponential model for a car's falling value
Fit an exponential decay model to two data points, use the secant line's slope to estimate a value and explain why the estimate sits above the model, then use the owner's plan to donate the car to set a domain limit.
1 Read the question
The question is College Board's, from the 2026 exam. It starts on page 4 of the PDF.
2 Write your answer
Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.
3 Score it
Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.
Scoring guidelines (PDF, page 6)
Question, scoring guidelines and Chief Reader report: College Board. The title and summary are ours.