Identifying Functions

T.i.P.S.

Students should be able determine whether a relation is a function by using ordered pairs, tables, maps, and graphs.

Which representation does not show y as a function of x?

a) I and II
b) I, II, and III
c) I and IV
d) All of the above are functions

Hint
Possible Solutions

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Readiness Standard 8.5 Proportionality. The student applies mathematical process standards to use proportional and non-proportional relationships to develop foundational concepts of functions. The student is expected to:
(G) identify functions using sets of ordered pairs, tables, mappings, and graphs

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