Is this a function? {(8,-2),(4,-6),(6,-8),(7,5),(2,4)} Then state the domain and range.

Josh Russo asked Mar 16, 2022

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15 votes

Is this a function?
{(8,-2),(4,-6),(6,-8),(7,5),(2,4)}
Then state the domain and range.

Josh Russo asked Mar 16, 2022

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19 votes

Here looking at x in (x,y) pairs

$\\ \sf\longmapsto 8\\eq4\\eq6\\eq 7\\eq 2$

$\\ \sf\longmapsto D_f=\{8,4,6,7,2\}$

$\\ \sf\longmapsto R_f=\{-2,-6,-8,5,4\}$

EboMike answered Mar 21, 2022

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