Mathematics · Application of Derivatives
If f'(x) changes sign from positive to negative as x increases through a critical point c, then which of the following is true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1c is a point of local minima
- 2c is a point of inflection
- 3c is a point of local maxima✓
- 4c is a global minimum point only
Correct answer
c is a point of local maxima
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