SOLUTION: Is the relationship shown by the data linear? If so, model the data with an equation. x: 1,5,9,13 y: 5,10,15,20

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Question 1019289: Is the relationship shown by the data linear? If so, model the data with an equation.
x: 1,5,9,13
y: 5,10,15,20
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, the relationship is linear, because for every unit increase in the value of x, there is a constant amount of increment in the value of y (namely 5/4, or 1.25)