SOLUTION: State a function rule that matches the input-output table? x|y 1|7 2|11 3|15 4|19 5|23

Question 770020: State a function rule that matches the input-output table?
x|y
1|7
2|11
3|15
4|19
5|23
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
State a function rule that matches the input-output table?
x|y
1|7
2|11
3|15
4|19
5|23
----
Notice that 4 is the common difference.
-----
So, when x = 0, y = 7-4 = 3
----------
Notice that y increases by 4 when x increases by 1.
----------
slope = 4
y-intercept = 3
-----
Equation:
y = 4x+3
============
Cheers,
Stan H.
============
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