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Unit 5: Analytical Applications of Differentiation

Determining Intervals on Which a Function Is Increasing or Decreasing

Use the sign of f' to find where f is increasing or decreasing, from a formula or from the graph of f', and justify the answer the way the exam expects.

Topic 5.3 · 8 min read

This lesson comes with the AP Calculus BC plan

In this lesson

  1. 01Why the sign of the derivative decides
  2. 02Finding the intervals from a formula
  3. 03Reading the graph of the derivative
  4. 04Worked examples
  5. 05Where students lose points
  6. 06On the exam

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