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If a function is differentiable at a point, it must also be:

AContentious
BContractual
CContinuous
DContiguous
Answer & Solution
Correct answer: C. Continuous
1. A break would ruin the limit. 2. Smoothness requires no jump. 3. So it must be continuous. _Source: OpenStax Calculus Volume 1, Chapter 3, Derivatives._
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