SOLUTION: If f(x) = x^2 + 3x, then f(-2) = 10. True?

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: If f(x) = x^2 + 3x, then f(-2) = 10. True?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 469901: If f(x) = x^2 + 3x, then f(-2) = 10. True?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

If  f(x) = x^2 + 3x, then f(-2) = 10:  True

f(2) = 2^2 + 3*2 = 4 + 6 = 10