Linear Transformation (1 of 2)

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A linear transformation of a variable involves multiplying each value of the variable by one number and then adding a second number. For example, consider the variable X with the following three values: 
   X
   2
   3
   7
One linear transformation of the variable would be to multiply each value by 2 and then to add 5. If the transformed variable is called Y, then Y = 2X+5. The values of Y are: 
X    Y
2    9
3   11
7   19
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