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10 cards from this deck
Reverses effect of original function
Function must be one-to-one
Horizontal line test
Inverse function, NOT reciprocal 1f(x)\frac{1}{f(x)}f(x)1
Reflection across line y=xy = xy=x
dom f−1=ran f\text{dom } f^{-1} = \text{ran } fdom f−1=ran f
xxx
Interchange xxx and yyy, solve for yyy
Domain restriction determines sign
When function is not one-to-one
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