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Determine the intervals where f(x) = -x^2 + 4x is concave up. (2023)

Practice Questions

1 question
Q1
Determine the intervals where f(x) = -x^2 + 4x is concave up. (2023)
  1. (-∞, 0)
  2. (0, 2)
  3. (2, ∞)
  4. (0, 4)

Questions & Step-by-step Solutions

1 item
Q
Q: Determine the intervals where f(x) = -x^2 + 4x is concave up. (2023)
Solution: f''(x) = -2, which is always negative, indicating concave down everywhere.
Steps: 0

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