SOLUTION: Which function is an even function? A. f(x) = 4x B. f(x) = -x - 2 C. f(x) = 3x^2 D. f(x) = 2x^3 + 2

Algebra ->  Functions -> SOLUTION: Which function is an even function? A. f(x) = 4x B. f(x) = -x - 2 C. f(x) = 3x^2 D. f(x) = 2x^3 + 2      Log On


   

Question 925811: Which function is an even function?
A. f(x) = 4x
B. f(x) = -x - 2
C. f(x) = 3x^2
D. f(x) = 2x^3 + 2
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
C) because for any x, f(-x)=f(x)