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Question: 7 a prospective boat owner wants to determine the approximate...

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7. A prospective boat owner wants to determine the approximate dollar cost per hour of operating a particular boat. The manufacturer states the speed of a boat, s in kilometers per hour, at time t in hours after the boat is under way, is represented by s(t)-8+t+0.2t2. At the current cost of diesel fuel, the dollar cost per kilometer of traveling at speed s kilometers per hour is represented by c(s)-(0.01s-0.7)2+5. Form an algebraic expression for c(s(t), the cost of operating the boat as a function of time. (expansion is not needed)
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