The figure shows the first three in a sequence of squares. The first square in the sequence has a side length of 3 units, and each square after that has a side length that is 2 units longer than the previous square. What is the explicit equation for f(n) that represents the areas of the squares the sequence? Of(n) = 2(n-1)² +3 Of(n)=(3+2(n-1))² Of(n)=(3+2n)² Of(n)=3n²

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