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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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 · Answer 1 · 2017-03-02T18:48:27+01:00

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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