Mathematics, 14.12.2020 18:00 dukkchild666

A cell phone company charges $50 for the phone plus a monthly service charge of $30. The equation y =30x + 50 gives the cost y after x months. Which is true of the relationship between x and y? A. It is linear and proportional.
B. It is not linear.
C. It is linear and nonproportional
D. It is not linear and nonproportional

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