Question

Multiple choice! please show how u got the answer

Answer 1

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The only order pairs among the given options that represent a function is :

• (9 , -3) , (9 , -1) , (9 , -1)

Because : To be a function, every element of domain (x) can have only one unique value y, and if we get more than two values of y for same x, it isn't a function at all.