Review of Graphical Transformations |
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Vertical Translation For the base function f (x) and a constant k, the function given by g (x) = f (x) + k, can be sketched by shifting f (x) k units vertically.
For the base function f (x) and a constant k, the function given by g(x) = f (x - k), can be sketched by shifting f (x) k units horizontally. Vertical Stretches and Shrinks For the base function f (x) and a constant k > 0, the function given by g(x) = k f (x), can be sketched by vertically stretching f (x) by a factor of k or by vertically shrinking f (x) by a factor of k Horizontal Stretches and Shrinks For the base function f (x) and a constant k, where k > 0 and k ≠ 1, the function given by g(x) = f (kx), can be sketched by horizontally shrinking f (x) by a factor of 1/k if k > 1 or by horizontally stretching f (x) by a factor of 1/k Reflections across the x-axis For the base function f (x) , the function given by g(x) = - f (x), can be sketched by reflecting f (x) across the x-axis. Reflections across the y-axis For the base function f (x) , the function given by g(x) = f (-x), can be sketched by reflecting f (x) across the y-axis.
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