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Is this answer correct on number 19? 19. (146) A mass on a spring goes back and forth, completing one cycle in 8 seconds. The

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Is this answer correct on number 19?

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19. (146) A mass on a spring goes back and forth, completing one cycle in 8 seconds. The difference between its starting position and its minimum position (its displacement) equals 6 inches. Which of the following sine functions could represent the position D of the mass over time t? 8 A. D = 6sin-t 8 B. D = 3sin -t 8 C. D = 6sin-t 4 D. D = 3sin-t 4 E. D = 6sin 16t

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