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HELP PLSSSSSSSSS I BEG U

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?
A. f( x) = 1.5 x
B. f( x) = 2.5 x
C. f( x) = 1 + 1.5 x

Respuesta :

Answer:

C.

Step-by-step explanation:

Its C because you start out at 1 mile above sea level, then each time Mark climbs he goes up 1.5 miles per hour. f(x)= 1(starting point) + 1.15x (miles per hour).
It would be C because the 1.5x represents the miles per hour since that changes and you would add 1 because he is 1 mile above sea level

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