SOLUTION: Given f(x) = 3x – 1, find f(7). I filled in 7 where the x's are but I don't think thats correct.

Algebra ->  Equations -> SOLUTION: Given f(x) = 3x – 1, find f(7). I filled in 7 where the x's are but I don't think thats correct.      Log On


   

Question 468296: Given f(x) = 3x – 1, find f(7).
I filled in 7 where the x's are but I don't think thats correct.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

You are correct! replacing x with 7 would be the proper way to proceed

f(x) = 3x – 1

f(7) = 3*7 – 1 = 20