SOLUTION: Need help with this: If f(x)=2x+1, then f(-2)= what. Thank you.

SOLUTION: Need help with this: If f(x)=2x+1, then f(-2)= what. Thank you.

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Question 327780: Need help with this: If f(x)=2x+1, then f(-2)= what. Thank you.
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
f(-2)=2(-2)+1=-4+1=-3

f(-2)=-3
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