SOLUTION: What is the differences between f(X)=2x and f(X-1)? Like why are they different? What do they each mean? Especially f(X-1)

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Question 1033260: What is the differences between
f(X)=2x and f(X-1)? Like why are they different? What do they each mean? Especially f(X-1)

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=2x is a line that goes through the origin with slope 2.
f(x-1) substitutes (x-1) wherever there is x
f(x-1)=2(x-1)=2x-2 as an example.