How scaling changes the shape of a mathematical function
In short: This video introduces the concept of scaling, explaining how multiplying a function by a constant shifts its points relative to the axes to transform its graph.
The video explores how a real number, k, acts as a scaling factor. When applied as y=k⋅f(x), it multiplies the distance of every point from the x-axis by k. Conversely, when applied as y=f(k⋅x), the transformation affects the distance of points from the y-axis instead.
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Sources
- Summary by Intellect · source: Scaling functions introduction | Transformations of functions | Algebra 2 | Khan Academy
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