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Praxis Core
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Determine Whether a Relation Is a Function
Grade Level
Praxis Core
5165.073 Determine Whether a Relation Is a Function
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Which statement correctly distinguishes functions from one-to-one functions?
A
A function may assign one input to several outputs; a one-to-one function may not.
B
A function may assign different inputs to the same output; a one-to-one function may not.
C
A function must have all different outputs, but a one-to-one function can repeat outputs.
D
A relation is a function only when it has more outputs than inputs.
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