SOLUTION: If they f (x) =2 x ^2 + 3x -1, Find f(2x),f(-2),f(0).?

Algebra ->  Inverses -> SOLUTION: If they f (x) =2 x ^2 + 3x -1, Find f(2x),f(-2),f(0).?       Log On


   

Question 928817: If they f (x) =2 x ^2 + 3x -1, Find f(2x),f(-2),f(0).?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
f(2x) = 2(2x)^2 + 3(2x) - 1 = 8x^2 + 6x - 1

f(-2) = 2(-2)^2 + 3(-2) - 1 = 1

f(0) = -1