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The derivative of $e^x$ with respect to $x$ is:
A$e^x \ln x$
B$\dfrac{1}{x}$
C$x e^{x-1}$
D$e^x$
Answer & Solution
Correct answer: D. $e^x$
d/dx(eˣ) = eˣ — the exponential is its own derivative.
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