Mathematics, 06.10.2019 17:30 antboozeoszxej
Ella is preparing for a 20-mile endurance cycling competition. she practices by cycling at a constant speed of 12 miles per hour for the first 4 miles. she increases her speed by 1.5 miles per hour every mile until she reaches 12 miles. after crossing 12 miles, she reduces her speed by 3 miles per hour each mile, till she reaches a speed of 15 miles per hour and keeps it constant until the end of her ride. from the graph shown below, find the interval where ella's speed is increasing.
Answers: 1
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Ella is preparing for a 20-mile endurance cycling competition. she practices by cycling at a constan...
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