All Subjects
Light
Absolute value of a number is its distance from zero on the number line, regardless of direction. It is always a non-negative number.
congrats on reading the definition of absolute value. now let's actually learn it.
Domain: The set of all possible input values (typically $x$-values) for which a function is defined.
Range: The set of all possible output values (typically $y$-values) that a function can produce.
Piecewise Function: A function composed of multiple sub-functions, each defined over a specific interval.