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Translation
moves f(x) up/down, right/left
Scale
makes f(x) larger or smaller
Reflection
Flips f(x) across an axis
Vertical shrink
0 < a < 1
Vertical stretch
a > 1
Horizontal shrink
a > 1
Horizontal stretch
0 < a < 1
Vertical stretch/shrink compared to parentheses
a(x)
Horizontal stretch/shrink compared to parentheses
(ax)
First step with quadratics
FACTOR
x should have no coefficient
x should be positive
Vertical reflection
-f(x)
across x-axis
Horizontal reflection
f(-x)
across y-axis
Vertical shift
(x) +-a
up/down
Horizontal shift
(x +-a)
right/left