It removes the negative from a negative number making it positive and it does nothing to a positive number or zero.
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The absolute value of a function changes the original function by ensuring that any negative y values will in essence be positive. For instance, the function y = absolute value (x) will yield the value +1 when x equals -1. Graphically, this function will look like a "V".
apex what is the range of the absolute... answer is nonnegative real num...
absolute value of y> 1
There
the range is all real numbers