|x|
The symbol “|x|” represents the absolute value of a number, x
The symbol “|x|” represents the absolute value of a number, x. The absolute value of a number is its distance from zero on the number line, and it is always a non-negative value.
If x is a positive number or zero, then |x| = x. For example, if x = 5, then |5| = 5.
If x is a negative number, then |x| = -x. The negative sign in front of x makes it positive. For example, if x = -4, then | -4| = 4.
In summary, the absolute value function takes any real number and returns its non-negative value.
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