 Let c be a positive real number. Vertical and Horizontal Shifts in the graph of y = f(x) are represented as follows. 1. Vertical shift c upward:

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Presentation transcript:

 Let c be a positive real number. Vertical and Horizontal Shifts in the graph of y = f(x) are represented as follows. 1. Vertical shift c upward: h(x) = f(x) + c 2. Vertical shift c downward: h(x) = f(x)-c 3. Horizontal shift c units to the right: h(x) = f(x-c) 4. Horizontal shift c units to the left: h(x) = f(x+c)

 Turn to Page 49  Problems 15 – 18

 Reflections in the coordinate axes of the graph of y = f(x) are represented by: 1. Reflection in the x-axis: h(x) = -f(x) 2. Reflection in the y-axis: h(x) = f(-x)

 Horizontal, vertical, and reflection shifts are all call rigid transformations. These transformations only change the position of the graph in the coordinate plane  Non-rigid transformations are those that cause distortion of the graph.

 A non-rigid transformation of the graph y= f(x) is represented by y = cf(x), where the transformation is a vertical stretch if c > 1 and a vertical shrink if 0 < c< 1.

 Another non-rigid transformation of the graph y = f(x) is represented by h(x) = f(cx), where the transformation is a horizontal shrink if c > 1 and a horizontal stretch if 0<c<1

 Pg  #9-12, 14-20, even, 53-74