Does the relation represent a function? No, because r appears as both an input value and an output value Yes, because the

Question

Does the relation represent a function?
No, because r appears as both an input value and an output value
Yes, because the ordered pairs are distinct
{(p, q), (r,s), (p,r)}
No, because the input value p corresponds to two different output values
Yes, because the output values are all different

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