if y=5x-3, which of the following sets represents possible inputs and outpouts of the function, represented as ordered pairs?


a [(2,5), (-3,-12), (-4,-18)]
b [(-1,-8), (0,-3), (3,12)]
c [(1,4), (7,25), (3,10)]
d [(5,20), (6,12), (1,9)]


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