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12 cards from this deck
Reverses input-output relationship
y→xy \to xy→x
Replace f(x)f(x)f(x) with yyy
Swap xxx and yyy
Solve for yyy
Replace yyy with f−1(x)f^{-1}(x)f−1(x)
x−32\frac{x-3}{2}2x−3
Must be one-to-one (1-to-1)
No inverse exists
It is many-to-one
Reflecting graph through line y=xy = xy=x
y=xy = xy=x
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