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Vertical Stretch and Shrink

Rule

Vertical Stretch and Shrink

The graph of a function can be vertically stretched or shrunk by multiplying the function rule by some factor Algebraically, The vertical distance between the graph and the -axis will then change by the factor at every point on the graph. If this will lead to the graph being stretched vertically. Similarly, leads to the graph being shrunk vertically. Note that -intercepts have the function value Thus, they are not affected by this transformation.

Stretch graph vertically