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31 August, 21:55

Mark starts a rock climb when he is 1 mile above sea level. He can climb at the rate of 1.5 miles per hour. Which of the following functions would express Mark's height above sea level over time

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  1. 31 August, 22:01
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    The answer is B. f (x) = 1 + 1.5x
  2. 31 August, 23:17
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    B. 1.5 is your slope and you start at 1 would be your answer because when using y=mx+b, where your m=1.5 and b=1. f (x) = 1+1.5, you just swapped the form around.
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