SOLUTION: What is the solution for f(x) = 3x-1, find f(x-1) - f(2) this is a function.

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Question 990302: What is the solution for f(x) = 3x-1, find f(x-1) - f(2) this is a function.

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

f%28x%29+=+3x-1
first find f%28x-1%29 and f%282%29:
f%28x-1%29+=+3%28x-1%29-1
f%28x-1%29+=+3x-3-1
f%28x-1%29+=+3x-4

f%282%29+=+3%2A2-1
f%282%29+=+6-1
f%282%29+=+5
then you have:
f%28x-1%29+-+f%282%29=3x-4+-5
f%28x-1%29+-+f%282%29=3x-9