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Unformatted text preview: y = af ( x ) is the graph of y = f ( x ) vertically stretched by multiplying each of its y-coordinates by a . Vertical Shrinking: If 0< a < 1, the graph of y = af ( x ) is the graph of y = f ( x ) vertically shrunk by multiplying each of its y-coordinates by a . Recommended Order for Transformations 1. Vertical stretching or shrinking. 2. Reflection about the x-axis. 3. Vertical and Horizontal Translations. 4. Reflection about the y-axis. Section 1.3 – Transformations of Graphs 3 Example 1: Sketch the graph of: 2 1 ) ( +--= x x f-4-3-2-1 1 2 3 4-2-1 1 2 x y Example 2: Given y = 3f(x – 2) – 1. a. State the transformations needed, in the recommended order. ] b. Suppose (1, 2) is on the graph of f . If the function is transformed y = 3f(x – 2) – 1, where would the point (1, 2) end up?...
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This note was uploaded on 02/20/2012 for the course MATH 1330 taught by Professor Staff during the Fall '08 term at University of Houston.
- Fall '08