http://www.jiskha.com/display.cgi?id=1453604915
Yes, it is composite, so use d = v t which was part B
and please use one name so I do not have to search all over for your earlier attempt.
I do not get this question at all,this is composite functions and all my answers to a) to c) is wrong,can someone please help me with this problem :)?
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?
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