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

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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(1861) 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