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The x axis displays the time in seconds from 1 to 14, and the y axis displays volts, v from negative 5 to 5. A blue colored wave starts from (0, 0), (2, 5), (4, 0), (6, negative 5), (8, 0), (10, 5), and (12, 0). A red colored wave starts from (0, 5), (2, 0), (4, 0), (6, 0), (8, 5), (10, 0), and (12, negative 5). A green colored wave starts from (1, 0), (3, negative 5), (5, 0), (7, 5), (9, 0), (11, negative 5), and (13, 0). All values are estimated.