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How is the domain and range determined in the set?

How Is The Domain And Range Determined In The Set class=

Sagot :

Given the relation:

[tex]T=\mleft\lbrace(-2,-6),(3,9),(-6,9)\mright\rbrace[/tex]

The domain is the set of all the first values in the relation, and the range is the set of all the second values. Then:

[tex]\begin{gathered} \text{domain }=\mleft\lbrace-6,-2,3\mright\rbrace \\ \text{range }=\mleft\lbrace-6,9\mright\rbrace \end{gathered}[/tex]