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f(x) + a
up “a” units (y)
f(x) - a
down “a” units (y)
f(x-a)
right “a” units (x)
f(x+a)
left “a” units (x)
a ● f(x)
vertical dilation (y)
|a| < 1 → shrink
|a| > 1 → stretch
-f(x)
reflect over x-axis (y)
f(ax)
horizontal dilation (x)
|a| > 1 → shrink
|a| < 1 → stretch
* to perform : original x / a
f(-x)
reflect over y-axis (x)