SOLUTION: Find the indicated output for f(x) = 2x(squared) - 4x f(-1) = I got 6 is that correct. Although I think it might be -6

Algebra ->  Linear-equations -> SOLUTION: Find the indicated output for f(x) = 2x(squared) - 4x f(-1) = I got 6 is that correct. Although I think it might be -6      Log On


   

Question 427501: Find the indicated output for f(x) = 2x(squared) - 4x
f(-1) = I got 6 is that correct. Although I think it might be -6
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
f(-1)=2*-1^2-4*-1
f(-1)=2+4
f(-1)=+6