what is the function rule?
x= -2, -1, 0, 1, 2
y= 9, 4, -1, -6, -11
y decreases by 5 as x increases by 1, so look for a rule like
y = -5x
Since y(0) = -1,
y = -5x-1
x= -2, -1, 0, 1, 2
y= 9, 4, -1, -6, -11
y = -5x
Since y(0) = -1,
y = -5x-1