SOLUTION: I need help with figuring out the rule for this function: Domain: 1,2,3,4 Range: 3,7,11,15 y= Please and thank you

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Question 644356: I need help with figuring out the rule for this function:
Domain: 1,2,3,4
Range: 3,7,11,15
y=
Please and thank you

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
help with figuring out the rule for this function:
Domain: 1,2,3,4
Range: 3,7,11,15
-----
slope = (7-3)/(2-1) = 4
-----
Note that if x = 0, y would be -1:
---
Equation:
y = 4x - 1
------------------
Cheers,
Stan H.
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