Question: Using linear approximation (or differentials) to estimate the number sqrt 24 as a fraction A man starts at a point A and walks 15 feet

  1. Using linear approximation (or differentials) to estimate the number sqrt 24 as a fraction
  2. A man starts at a point A and walks 15 feet north. He then turns and walks due east at 12 feet per second. If a search light placed at A follows him, at what rate is the light turning 5 seconds after he started walking east?

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