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The graph shows the depth of water, in feet, of a horse trough over a certain amount of time, in minutes.

(use the picture to answer please!)


Part A: Identify the interval(s) where the graph is increasing, decreasing, and constant. (3 points)


Part B: What are the domain and range of the relation? (3 points)


Part C: Does the graph represent a function? Explain your reasoning. (3 points)


Part D: Write a detailed description of the graph using the real-world scenario and the information from Part A. (3 points)