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PLEASE HELP!!!!!!!

Emily is observing the velocity of a cyclist at different times. After four hours, the velocity of the cyclist is 14km/h. After nine hours, the velocity of the cyclist is 4 km/h.

Part A: Write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. Show your work and define the variables used.

Part B: How can you graph the equations obtained in Part A for the first 10 hours?

Respuesta :

You see how the km/h went down by 10 so what you do is you use the variables like x or z
For part b it's easy if 9 hours is 4 then you do half of 4 is 2 And there's your
Answer.
Hope this was helpful my English not very god I'm from sweden.

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