SOLUTION: Please help me solve this, I cant figure it out: --Create a linear function f(x) that meets the given conditons. f(2)=1,f(6)=9

Question 562801: Please help me solve this, I cant figure it out:
--Create a linear function f(x) that meets the given conditons.
f(2)=1,f(6)=9
Answer by issacodegard(60) (Show Source): You can put this solution on YOUR website!
Hi, from what's given we know two points that are to be on the graph of this linear equation (f(x)=mx+b), which is all we need to know. The points are (2,1) and (6,9). So the slope of the linear equation is

So the equation now looks like

We know f(2)=1 so sub in x=2, f(x)=1 and find b

So the equation is

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