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3 years ago

11

you talk on the phone y minutes on a day x of every month according to the equation y=2x+1. The cellphone company claims you tal

ked 12 minutes on the phone on the fourth day of the month. Are they right?

1 answer:

Mademuasel [1]3 years ago

4 0

No they are not , y= 2(4)+1 is 9 not 12

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