A student differentiates e^x. The result is:
Ae^x itself
Be^x plus 1
Cx times e^x
De^x minus 1
Answer & Solution
Correct answer: A. e^x itself
1. This function is unusual.
2. Differentiating changes nothing.
3. It is e^x itself.
_Source: OpenStax Calculus Volume 1, Chapter 3, Derivatives._
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