If , what is ?

Answer and explanation

Correct answer: A. 10

  1. Step 1: The derivative of is obtained by differentiating each term according to .
  2. Step 2: Write out the resulting derivative expression .
  3. Step 3: Evaluating at gives .
Answer
10.
Why not the others: 0 is an underestimation calculation miscalculation; 16 is an overestimation calculation miscalculation; 20 is an overestimation calculation miscalculation.

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