カツ丼 (katsudon)

Race #465

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Official speed 102.60 wpm (44.21 seconds elapsed during race)
Race Start July 27, 2019 6:15:37pm UTC
Race Finish July 27, 2019 6:16:21pm UTC
Outcome Win (1 of 4)
Accuracy 97.0%
Points 136.80
Text #4180038 (Length: 378 characters)

A relation between two sets X and Y is a set of ordered pairs, each of the form (x, y), where x is a member of X and y is a member of Y. A function from X to Y is a relation between X and Y that has the property that any two ordered pairs with the same x-value also have the same y-value. The variable x is the independent variable, and the variable y is the dependent variable.