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Try to discuss the parity of the function f (x) = x & # 178; - 2x + 3x > 0 = 0, x = 0 - X & # 178; - 2x-3x f（x）=x²-2x+3 x>0 =0 x=0 =x²-2x-3 x
Let x > 0, then - X
RELATED INFORMATIONS
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- 16. Given that the function f (x) has: F (x1x2) = f (x1) + F (x2) for any x1, X2 on R, it is proved that f (x) is an even function
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- 19. Let f (x) (x ∈ R) satisfy f (x1 * x2) = f (x1) + F (x2) for any real number x1, X2, and prove that f (x) is an even function
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