draw a happy face if the given table of values represents a quadratic function and sad face if not on your answers sheets. Show your solutions on your answer sheets.
If one element in the domain mapped with more than one element in the range, the mapping is called one-to-many relation. One-to-many relations are not functions.
Any function is either ONE-TO-ONE or MANY-TO-ONE. A function cannot be one-to-many because no element can have multiple images.
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