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under plan a,a 1min call cost 0.54 dollars and a 4 min call cost 1.08 . under b the cost for x minutes is given by y=0.289x. which plan is cheaper and why
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under plan a,a 1min call cost 0.54 dollars and a 4 min call cost 1.08 . under b the cost for x minutes is given by y=0.289x. which plan is cheaper and why

User ShiningRay
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6 votes
1.08 is b/c when you get that one its less than getting the 54 cent a call

User Erre Efe
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