Math
I need some help on this function rule question please.
8.) Find the function rule.
x: 2 1 0 1 2
y: 9 4 1 6 11
I'm having a really hard time figuring this out. Thanks to anyone that helps:)
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Anonymous

Note that y decreases by 5 when x increases by 1. So, start with
y = 5x
Now note that y(0) = 1, so you need to adjust the function a bit:
y = 5x1posted by Steve
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