speresenko
speresenko speresenko
  • 04-10-2018
  • Mathematics
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Аноним Аноним
  • 04-10-2018

8. domain=hours

range=cost

it is a function because there is a y value for ever x

9. minutes =60, 120,180, 240 (domain)

calories= 360, 720, 1080, 1440 (range)

this is also a function

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