Question

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

Answer 1

B

Explanation:

Answer 2

The required function which represent the Mark's height above sea level over time is
`y=1.5x+1`

Explanation:

Given : 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.

To find : Functions would express Mark's height above sea level over time?

Solution :

Let x be the time in hours and y is the height of Mark's.

The the linear function form,

`y=mx+b`

Where, b is the initial value or distance he cover,

b=1 mile

m is the slope or rate at which he climb,

m=1.5 miles per hour.

Then the linear function is
`y=1.5x+1`

Therefore, The required function which represent the Mark's height above sea level over time is
`y=1.5x+1`