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September 17th, 2015, 12:43 PM  #1 
Newbie Joined: Sep 2015 From: america Posts: 9 Thanks: 0  Transforming Functions The green function is f(x) flipped horizontally so I understand the answer has to be a negative. g(x) is moved down once on the y axis so I understand the answer is a (1/x) I just don't understand where the 2 comes from. It has to do with width on the x value. How do I figure out what the denominator should be based on the image above? 
September 18th, 2015, 06:59 AM  #2 
Senior Member Joined: Dec 2012 From: Hong Kong Posts: 853 Thanks: 311 Math Focus: Stochastic processes, statistical inference, data mining, computational linguistics 
It's to do with height, not width, really. Like the description said, it was compressed vertically. Look at the ycoordinates of the vertices of f(x) and g(x) (i.e. the values of f(2) and g(2)), and note their relationship. 

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functions, transforming 
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