SOLUTION: How do I find the linear function using this f(2)=-2 f(1)=1

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Question 1057652: How do I find the linear function using this f(2)=-2 f(1)=1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First find the slope,
m=%28f%282%29-f%281%29%29%2F%282-1%29=%28-2-1%29%2F%281%29=-3
Then use the point slope form with either point,
y-%28-2%29=-3%28x-2%29
y%2B2=-3x%2B6
y=-3x%2B4