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10 cards from this deck
Stretches or shrinks a graph from a coordinate axis
Vertical transformation
y-coordinates change, x-coordinates stay same
Graph stretches vertically (becomes taller)
(x,y)→(x,by)(x, y) \rightarrow (x, by)(x,y)→(x,by)
y=bf(x)y = bf(x)y=bf(x)
x-coordinates change, y-coordinates stay same
Graph stretches horizontally (becomes wider)
(x,y)→(ax,y)(x, y) \rightarrow (ax, y)(x,y)→(ax,y)
y=f(xa)y = f(\frac{x}{a})y=f(ax)
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