d/dx (eˣ) =
Ax eˣ
Be
Ceˣ (its own derivative)
Dx eˣ⁻¹
Answer & Solution
Correct answer: C. eˣ (its own derivative)
eˣ is the unique function whose derivative equals itself (up to a constant multiplier). d/dx(e^(kx)) = k e^(kx).
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