For f(x) = log(x + 1 ), what is f''(1)?

Derivatives & Second-Order Derivatives · Question 72 of 96

Question 72

MediumOriginal question

For $f(x) = \log{\left(x + 1 \right)}$ , what is $f''(1)$ ?

- \frac{1}{4}

Correct answerYour answer

\frac{1}{4}

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\frac{1}{2}

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\frac{7}{4}

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Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

Worth noting

$\frac{1}{2}$ is $f'(1)$ , one derivative short.

Ten questions from Derivatives & Second-Order Derivatives, at your own pace.

Ten questions from Derivatives & Second-Order Derivatives, at your own pace.