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Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at 11am. 


a) 
Let k be the distance between the lighthouse and the ship. Let d be the distance from the ship has travelled since 11am. Express k as a function of d. Please include a diagram. 

b) 
Express d as a function of t, the time elapsed since 11am. 

c) 
Find k∘d . What does this function represent?

Guest Dec 31, 2017
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 #1
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See my answer here :   http://web2.0calc.com/questions/somewhat-complex-composite-function-problems-help-please

 

 

cool cool cool

CPhill  Dec 31, 2017
 #2
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I didn't think that question would get answered on that thread, so made a new one. Either ways, thank you for your help CPhill, I really appreciate it! :)

Guest Dec 31, 2017

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