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Identifying Whether a Relation Is a Function
Worksheet
Grade Level
Algebra II
ALG2.70 Identifying Whether a Relation Is a Function
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Let S = {(-2,1), (0,3), (4,7)}. Which statement about S and its inverse is correct?
A
S is a function, but S^-1 is not a function.
B
S^-1 is a function because the outputs 1, 3, and 7 of S are all distinct.
C
Neither S nor S^-1 is a function.
D
S^-1 fails because inverse relations always repeat inputs.
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