SOLUTION: How do I write a rule for each function? x: f(x): -1 -11 0 -5 1 1 2 7

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Question 745147: How do I write a rule for each function?
x: f(x):
-1 -11
0 -5
1 1
2 7
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How do I write a rule for each function?
x: f(x):
-1 -11
0 -5
1 1
2 7
-------
slope ?
Notice that y increases 6 when x increase by 1:
So m = 6 is the slope
-----
intercept ?
Notice that y = -5 when x = 0
So b = -5
-----
Form: y = mx + b
Equation:
y = 6x -5
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Cheers,
Stan H.
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