SOLUTION: Adam ran a 15-kilometer race. He completed the race in 1.6 hours. Adam�s speed for the first kilometer can be represented by the function d = 9.2h, where d is distance in kilometer

Question 963426: Adam ran a 15-kilometer race. He completed the race in 1.6 hours. Adam�s speed for the first kilometer can be represented by the function d = 9.2h, where d is distance in kilometers and h is time in hours. Was Adam�s average speed for the first kilometer of the race faster or slower than his average speed for the entire race? Justify your answer.
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Distance=rate x time, so for the first kilometer Adams rate was 9.2 km/hr.
For the entire race, his rate was 15km/1.6 hrs=9.375 km/hr, so his average for the entire race was faster than his rate for the first kilometer
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