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

Question

Mathematics

Elsie Valenzuela

20 January, 21:16

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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Answers (1)

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Eleanor Martinez · Answer 1

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