an incorrect definition of an absolute value is (pick one)

Question

an incorrect definition of an absolute value is

A: |x|= x for x>0, 0 for x=0, -x for x<0

B: |x|= x for x > or equal 0, -x for x<0

C: |x|= x for x>0, -x for x< or equal 0

D: |x|= x for x>0, -x for x<0

Answer 1

I believe C is incorrect because it says that the absolute value of x is -x for x< or equal 0. It should be x for x>or equal to zero.