Question 1153104


1. A relation contains the ordered pairs

({{{3}}},{{{8}}}),({{{6}}},{{{10}}}),({{{9}}},{{{12}}}),and ({{{a}}},{{{b}}}). 

For which values of {{{a}}} and {{{b}}} is the relation a function?

A.{{{a=3}}} and {{{b=14}}}->not this one {{{a=3}}} , same as in ordered pair ({{{3}}},{{{8}}})
B.{{{a=6}}} and {{{b=12}}}->not this one {{{a=6}}} , same as in ordered pair ({{{6}}},{{{10}}})
C. {{{a=9}}} and {{{b=9}}}->not this one {{{a=9}}} , same as in ordered pair ({{{9}}},{{{12}}})
D. {{{a=11}}} and {{{b=8}}}->for these values of {{{a}}} and {{{b}}}  the relation {{{is}}}  a function

({{{3}}},{{{8}}}),({{{6}}},{{{10}}}),({{{9}}},{{{12}}}),({{{11}}},{{{8}}})

answer is: D. {{{a=11}}} and {{{b=8}}}

<a href="https://www.imageupload.net/image/LdeFg"><img src="https://imagehost.imageupload.net/2020/02/27/downloadd12de5493add9ee6.th.jpg" alt="downloadd12de5493add9ee6.jpg" border="0" /></a>