Posted by Dele on Sunday, November 3, 2013 at 10:17pm.
The maximum velocity of a roller coaster depends on the vertical drop from the top of the highest hill to the bottom of that hill. The formula:V(h)=√h2 , gives the relationship between maximum velocity, V(h) in feet per second, and height, h in feet.
1. Identity the independent variable, dependent variable.
2. What is the domain of the radical function V?
3. What is the maximum velocity V(h) of the roller coaster when the height h is 66 feet? (Specify and explain your answer in words.
4. What is the height h of the roller coaster, if its maximum velocity V(h) is 32 feet per second? Specify and explain your answer in words.

Algebra  Steve, Sunday, November 3, 2013 at 11:36pm
assuming you mean √(h2), then the domain is [2,∞)
what's to explain? plug h=66 into the formula
v = √(662) = √64 = 8
√(h2) = 32
h2 = 1024
h = 1026

Algebra  Anonymous, Saturday, November 1, 2014 at 12:17pm
The maximum velocity of a roller coaster using the formula v=8 ^h when the height is 203 feet
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