a) State the sinusoidal regression function that represents the graph above in the Form = a sin(bx - 2.244) + d where y represents the number of gerbils and x the number of days since the clerk started collecting the data. If necessary, round values to the nearest hundredth. b) The pet store purchases more gerbils when number of gerbils falls to 27 gerbils. Calculate the fewest number of days after the clerk started collecting the data -hould net store nurchase more gerbils, to the nearest hundredth of day.

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