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They begin running uphill 800 feet for 30 minutes, then run downhill 400 feet for 15 minutes. They continue to run uphill 900 feet for 30 minutes, then run downhill 200 feet for 15 minutes. Finally, they run uphill 700 feet for 105 minutes, then rest for 45 minutes.Which graph correctly models their elevation over time?

They begin running uphill 800 feet for 30 minutes then run downhill 400 feet for 15 minutes They continue to run uphill 900 feet for 30 minutes then run downhil class=

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ANSWER

The second graph correctly models their elevation over time

EXPLANATION

We have to find the height difference between each point:

Each square in the graph represents 15 minutes of time.

Between A and B there are 30 minutes and 800 feet of height difference → They begin running uphill 800 feet for 30 minutes.

Between B and C there are 15 minutes and -400 feet of height difference → then run downhill 400 feet for

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Ver imagen TaitenW63037

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