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

Question

Nickolas Mccullough

Mathematics

16 September, 02:08

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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Answers (2)

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Danielle Bird · Answer 1

Danielle Bird 16 September, 02:30

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The answer is B. f (x) = 1 + 1.5x

Bruce · Answer 2

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.