If a person's eye level is h meters above sea level and he can see d kilometers to the horizon, then = d3.57h. Suppose the person's eye level is 6.25 meters above sea level. How far can he see to the horizon?

If a person's eye level is "h" meters above sea level and he can see "d" kilometers to the horizon, then "d"=3.57sqrt"h"

d+=+3.57sqrt%28h%29.

Suppose the person's eye level is 11.56 meters above sea level.

How far can he see to the horizon? Round your answer to the nearest tenth.

d+=+3.57sqrt%2811.56%29

d = 3.57*3.4

d = 12.1 km