The curve has a maximum and a minimum point. Find the difference between the -coordinates of the maximum and the minimum point.
Answer and explanation
Correct answer: A. 27
- Step 1: , so the stationary points are at and . Step 2. The maximum is at with and the minimum at with , so the difference is . Answer: 27. Why not the others: -27: The sign is reversed: the maximum is the larger value. 17: That is only the -coordinate of the maximum point. -10: That is only the -coordinate of the minimum point.
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