Question

Is the relation is a function?

S={(-20, - 7).(-19,-5), (-40,0), (-21, -7), (-20,- 10)}
O
O
Function
Not a Function​

Answer 1

Explanation:

Not a Function​ because : (-20, - 7) and (-20,- 10)

each element must associate with a single

-20 to associate two elements: -10; -7