Wind Speed Varies in the First Twenty Meters Above the Ground

question 174

Multiple Choice

Wind speed varies in the first twenty meters above the ground. For a particular day, let f(x) =1.7 ln x+6.4 compute the wind speed x meters above the ground. What is the wind speed 9 meters above the ground? Round your result to the nearest hundredth.

• A) -2.66 meters per second
• B) 10.14 meters per second
• C) 9.56 meters per second
• D) 8.60 meters per second

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