SOLUTION: Given the function f described by f(x)=2x find each of the following f(-5)= f(18)= f (21)=

Algebra ->  Expressions -> SOLUTION: Given the function f described by f(x)=2x find each of the following f(-5)= f(18)= f (21)=      Log On


   



Question 290606: Given the function f described by f(x)=2x find each of the following
f(-5)=
f(18)=
f (21)=

Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
f(-5)=2(-5)=-10
f(18)=2(18)=36
f(21)=2(21)=42