In mathematics, the total value of a number is the distance of that number from 0 on the number line. The absolute value of a number is always positive or zero, and it is indicated by the symbol "| |". For instance, the absolute value of 3 is |3| = 3, and the absolute value of -3 is |-3| = 3.
An absolute value function is a function that takes a number as input and returns its absolute value as output. Absolute value functions are often written in form f(x) = |x|. For instance, the function f(x) = |x - 3| is an absolute value function that returns the absolute value of the difference between x and 3.
To write an absolute value function, you need to plan a series of points and then draw a smooth curve through those points.
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