SOLUTION: Suppose the distance a person can see to the horizon is approximated by the function D(h)=1.3*square root of h, where D is the number of miles a person can see to the horizon from

Question 1153937: Suppose the distance a person can see to the horizon is approximated by the function D(h)=1.3*square root of h, where D is the number of miles a person can see to the horizon from a height of h feet. Jay is on the deck of a boat and can see 5.2 miles to the horizon. What is his height above the water?
Found 2 solutions by ikleyn, MathLover1:
Answer by ikleyn(52898) (Show Source): You can put this solution on YOUR website!
.

5.2 = Square both sides and solve for h.

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

, where is the number of miles a person can see to the horizon from a height of feet.
if Jay is on the deck of a boat and can see miles to the horizon:

......square both sides

his height above the water is feet

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