SOLUTION: Given f(x)=2x-8, find f(3). Thanks so much for the help.

Algebra ->  Linear-equations -> SOLUTION: Given f(x)=2x-8, find f(3). Thanks so much for the help.      Log On


   

Question 141654: Given f(x)=2x-8, find f(3).
Thanks so much for the help.
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=2x-8
f(3)=2(3)-8=6-8=-2.
For these, all you have to do is put the number you are supposed to find the function value for in the equation, then solve.