scan0027

# scan0027 - 7 Fiore‘s sailboat that is docked in a harbour...

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Unformatted text preview: 7. Fiore‘s sailboat that is docked in a harbour rises and falls with the waves. The vertical movement of the sailboat can be modelled by the function 110‘) : 23in[%t) , where h is in metres and t is the time in seconds. a) Calculate the average rate of change in the height of the sailboat over the first 4 seconds. [A3] WW/ 3 b) Estimate the instantaneous rate of change of the height of the sailboat at 6 seconds. kts‘ﬁ‘ L: ”O ‘Ol - [A3] ,3; (90‘7": - 51:3/ ,_._ a C. \ _- C If» /- c; 3 3 f: {31. 2 0‘ ‘3‘" ﬂaringgggmijjﬂ 2 0* mama M 3i «- www- W 5 . ”l - W 7M wasn't so bad ...... . ...
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