If f(x) = e^3 x cos x, what is f'(0)?

Chain Rule, Log Differentiation & Rate of Change · Question 65 of 130

Question 65

MediumOriginal question

If $f(x) = e^{3 x} \cos x$ , what is $f'\left(0\right)$ ?

-1

Correct answerYour answer

1

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3

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4

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Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Worth noting

1 differentiates $e^{3x}$ as $e^{3x}$ , forgetting the 3.

Ten questions from Chain Rule, Log Differentiation & Rate of Change, at your own pace.

Ten questions from Chain Rule, Log Differentiation & Rate of Change, at your own pace.