Bird Flight A bird is released from point A on an island, 5 mi from the nearest point B on a straight shoreline. The bird flies to a point C on the shoreline and then flies along the shoreline to its nesting area D (see the figure). Suppose the bird requires 10 kcal/mi of energy to fly over land and 14 kcal/mi to fly over water.
- (a) Use the fact that
to show that the total energy used by the bird is modeled by the function
- (b) If the bird instinctively chooses a path that minimizes its energy expenditure, to what point does it fly?
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Chapter 2 Solutions
PRECALCULUS: MATHEMATICS FOR CALCULUS
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage