SOLUTION: Given is a value table of 2 Linear Functions. Draw their graphs in the coordinate system and find the algebraic form of both functions: X 0 2 F1(x) -1 3 F2(x

Algebra ->  Linear-equations -> SOLUTION: Given is a value table of 2 Linear Functions. Draw their graphs in the coordinate system and find the algebraic form of both functions: X 0 2 F1(x) -1 3 F2(x      Log On


   

Question 1088651: Given is a value table of 2 Linear Functions. Draw their graphs in the coordinate system and find the algebraic form of both functions:

X 0 2
F1(x) -1 3
F2(x) 1 0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I'll do one.
You do the other the same way.
Find the slope.
m=%283-%28-1%29%29%2F%282-0%29=4%2F2=2
Then use the point slope form with either point.
y-3=2%28x-2%29
y-3=2x-4
f%5B1%5D%28x%29=2x-1
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Now solve for f%5B2%5D%28x%29 the same way.