alleryA point where the graph switches from concave up to concave down is a point of:
AInversion
BInflection
CInjection
DInsertion
Answer & Solution
Correct answer: B. Inflection
1. Concavity is changing there rather than the slope sign.
2. The second derivative changes sign at that point.
3. It is a point of inflection.
_Source: OpenStax Calculus Volume 1, Chapter 4, Applications of Derivatives._
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