As with most functions you'll come across in math, you can quickly sketch the graph of an absolute value "v" if you can learn how different numbers in the equation transform, or shift the graph. In the equation y = a| x - h| + k, the "a" value makes the v skinny or wide and will reflect it upside down if negative, the h value inside the function moves the "v" left and right in the opposite direction, and the k represents how much to move the "v" up or down.
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