Precalculus Examples

Determine if Injective (One to One)
,
Step 1
Since for each value of there is one and only one value of , the given relation is a function.
The relation is a function.
Step 2
Since the relation is a function and for each value of there is one and only one value of , the given relation is a one-to-one function.
The relation is a one-to-one function.
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