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5 September, 15:56

Emily is 280 miles away from home. She is traveling back at a rate of 40 miles per hour. Determine which graphs and which equation represents Emily's distance from home, D, after Emily travels h hours.

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  1. 5 September, 17:00
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    -40*h+280

    Step-by-step explanation:

    Let s define the function f which represents Emily's distance from home

    at h = 0 Emily is 280 miles away from home

    so f (0) = 280

    as she is traveling back at a rate of 40 miles per hour

    f (h) = -40*h+280

    the graph is below
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