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Determine whether the relation is a function.
c = {(10,3), (-10, – 3), (2, - 2). (3,- 10)}


Sagot :

Yes, it is a function, because no x value is repeated.

set x to set y to be a function if each member of set x pairs is exactly one member of set y

set x: 10, -10, 2, 3

set y: 3, -3, -2, -10

so the relation is a function