What is the maximum value of on the closed interval ?
Answer and explanation
Correct answer: C. 14
- Step 1: Find critical points: .
- Step 2: Evaluate at endpoints and critical points:
- Step 3:
- Step 4:
- Step 5:
- Step 6: .
- Step 7: The maximum value is 14 at .
Answer
14.
Why not the others: '5' is the value at ; '9' is the local minimum at ; '10' is the local maximum at , but not the global maximum on .
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