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determine the exponential regression for the data set. which exponential equation best approximates the data set?

{(1, 4), (2, 12), (3, 32), (4, 60)}
a) y = 1.3(1.5)x
b) y = 1.3(2.5)x
c) y = 1.8(2.5)x
d) y = 2.3(3.5)x

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?