Answer:
T
Step-by-step explanation:
The absolute value of a number is always positive.
The reason is that, when the number is positive, then the absolute value is the positive number.
However, if the number is negative, we negate the number to get a positive number, this then becomes the absolute value.
By definition,
[tex]|x|=\left \{ {{x,if\:x\ge0} \atop {-x,if\:x<\:0}} \right.[/tex]
The correct choice is T