Determine whether each relation is a function. Explain.
1. {(-5, 2), (3,-3), (1, 7), (3, 0)}

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

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