SOLUTION: Tom was given this function table to complete. X: -3, -2, -1, 0, 1, 2, 3 Y: -2, 0, 2, 4, 6, 8, 10 What is the rule of this function?

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Question 743702: Tom was given this function table to complete.
X: -3, -2, -1, 0, 1, 2, 3
Y: -2, 0, 2, 4, 6, 8, 10
What is the rule of this function?

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Tom was given this function table to complete.
X: -3, -2, -1, 0, 1, 2, 3
Y: -2, 0, 2, 4, 6, 8, 10
What is the rule of this function?
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Notice that y increases by 2 when x increases by 1:
That is the slope
-----
Notice that f(0) = 4
That is the y-intercept.
----
Equation:
y = 2x +4
================
Cheers,
Stan H.
================

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