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Sticky Note
If f′ (x) > 0 in a certain interval, what does show about f(x)?
  1. Increasing and decreasing both
  2. Decreasing function
  3. Increasing function
  4. None of these
Explanation
  • If f′(x)>0f'(x) > 0 in an interval, it means the function f(x)f(x) is increasing in that interval.
  • A positive derivative indicates that the function's slope is positive, meaning it moves upward as xx increases.

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