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Algebra II: Functions

Problems

Relations and Functions

Domain

Problem : Make a mapping diagram for the following relation: .

Mapping Diagram

Problem : Graph the following relation: .


Graph

Problem : In each of the following relations, is y a function of x ? Is x a function of y ?
a)
b)
c)
d)

a) no, yes
b) no, no
c) yes, no
d) yes, yes

Problem : In the following relation, is y a function of x ? Is x a function of y ?


Mapping Diagram

y is a function of x , x is a function of y .

Problem : In the following relation, is y a function of x ? Is x a function of y ?


Graph of Relation

y is not a function of x , x is a function of y .

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