Mathematics, 01.12.2019 21:31 autumnguidry1622

Which relation is a function?
a. {(1,2), (1,5), (1,-1), (1,4)}
b. {(8,-1), (2,-1), (3,8), (2,5}
c. {(-3,4), (-2,5), (0,9), (0,12)}
d. {(7,12), (1,-5), (3,-10), (2,-5)}

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Which relation is a function?
a. {(1,2), (1,5), (1,-1), (1,4)}
b. {(8,-1), (2,-1), (3,...

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