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which function rule matches the nput outpit table

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Which function rule matches the input output table?

. In x: 1 . 2 . 3 . 4 . 5
Out y: 7 11 15 19 .23
 
Δy/Δx = 4/1 = 4 for all points.
 
y - 7 = 4(x - 1)
 
y = 4x - 4 + 7
 
y = 4x + 3