alleryDerivatives are defined at a point lying in the function's:
AThe domain
BThe range
CThe graph
DThe codomain
Answer & Solution
Correct answer: A. The domain
1. The definition needs the function to have a value at the point.
2. That happens only inside the set of allowed inputs.
3. So the point lies in the domain of definition.
_Source: syllabus Mathematics, Chapter 13, Limits and Derivatives._
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