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  • 02-03-2017
  • Mathematics
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julie is running a 5-kilometer race. she runs 1 kilometer every 5 minutes, julie's distance from the finish line after x-minutes is represented by the function: f(x) = 5- 1/2 x

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Аноним Аноним
  • 02-03-2017
each minute Julie runs 0.2 of a kilometer 

so after x minutes she runs 0.2x of a kilometer

so the function is 5 - 0.2x 

or as a fractions  f(x) =  5 - (1/5) x
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