math
posted by Aspen .
(I need serious help with this question)
Find the Function rule.
x: 2,1,0,1,2
y: 9,4,1,6,11

math 
Steve
as 1 is added to x, 5 is subtracted from y
so, try y = 5x
But y(0) = 1, so
y = 5x1
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