Exercise #8 notes
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Exercise #8 notes Document Transcript

  • 1. Exercise #8Horizontal and Vertical Stretches 2 f ( x) f (2 x) f ( x) x2ExampleThe graph below is f ( x) . y x x Sketch 3 f ( x) Sketch f 3 y y x x
  • 2. Generalizations f ( x) af ( x) f ( x) f (b( x))Combining translations and stretches ** Always stretch first, then translate around the graph!Putting Transformations Together f ( x) y x 1 Sketch 2 f ( x 3) 2 Sketch f x 2 y y x xJournal The x-intercepts of f(x) are 6, 2 and –8. Determine the x-intercepts of f(2x – 4).