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Sieun hits golf balls into the air, Each time she hits a ball she records 0, the angle at which the ball is launched into the air, and I, the horizontal distance, in metres, which the ball travels from the point of contact to the first time it lands. The diagram below represents this information 0 = 75 degrees = 60 degrees 0 = 45 degrees Sieun analyses her results and concludes: d/ de = -0.20 +9, 35

Sieun hits golf balls into the air, Each time she hits a ball she records 0, the angle at which the ball is launched into the air, and I, the horizontal distance, in metres, which the ball travels from the point of contact to the first time it lands. The diagram below represents this information 0 = 75 degrees = 60 degrees 0 = 45 degrees Sieun analyses her results and concludes: d/ de = -0.20 +9, 35

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Sieun hits golf balls into the air, Each time she hits a ball she records 60, the angle at which the ball is launched into the air, and I, the horizontal distance, in metres, which the ball travels from the point of contact to the first time it lands. The diagram below represents this information 0 = 75 degrees 0 = 60 degrees 0 = 45 degrees Sieun analyses her results and concludes: dl =-0.20 +9, 35 <OS75. de (a) Determine whether the graph of I against 0 is increasing or decreasing at 0= 50. Sieun observes that when the angle is 40 , the ball will travel a horizontal distance of 205.5 m. (b) Find an expression for the function 1(0).
Transcribed Image Text:Sieun hits golf balls into the air, Each time she hits a ball she records 60, the angle at which the ball is launched into the air, and I, the horizontal distance, in metres, which the ball travels from the point of contact to the first time it lands. The diagram below represents this information 0 = 75 degrees 0 = 60 degrees 0 = 45 degrees Sieun analyses her results and concludes: dl =-0.20 +9, 35 <OS75. de (a) Determine whether the graph of I against 0 is increasing or decreasing at 0= 50. Sieun observes that when the angle is 40 , the ball will travel a horizontal distance of 205.5 m. (b) Find an expression for the function 1(0).
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