The following table gives the population of a predator animal over eight years. Year 1 2 Population 304 294 a) Use sinusoidal regression to estimate the time between minimum populations, to the nearest tenth of a year. Show your work. b) Estimate the population in the 10th year. c) Estimate the population in the 20th year. 3 290 4 5 6 292 297 305 7 316 8 326

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