2025, Question 4 · Symbolic Manipulations · 6 points
Solving and rewriting log, exponential and trig expressions
Without a calculator, solve a log equation and a squared cosine equation on an interval, rewrite a log sum as one log and a trig expression in terms of tangent alone, then find the zeros of an exponential expression that factors like a quadratic.
1 Read the question
The question is College Board's, from the 2025 exam. It starts on page 7 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 14) What the exam readers saw (Chief Reader report)
Question, scoring guidelines and Chief Reader report: College Board. The title and summary are ours.