What is the maximum value of on the closed interval ?

Answer and explanation

Correct answer: C. 14

  1. Step 1: Find critical points: .
  2. Step 2: Evaluate at endpoints and critical points:
  3. Step 3:
  4. Step 4:
  5. Step 5:
  6. Step 6: .
  7. 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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