Need help on #2b
2 The cost per hour of running a freight train is given by C(u) = 100 +
wher...
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Mathematics, 11.05.2021 04:40 0273hdj
Need help on #2b
2 The cost per hour of running a freight train is given by C(u) = 100 +
where v is the average speed of the train.
b Find the rate of change in the cost of running the train at speeds of:
i
10 kmph
li 6 kmph
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