Question: Identify each sequence as arithmetic, geometric, or neither. Then write both a recursive and explicit formula to describe the pattern, if possible. a. 3, 9,

Identify each sequence as arithmetic, geometric, or neither. Then write both a recursive and explicit formula to describe the pattern, if possible.
a. 3, 9, 27, 81, 243, . . .
b. -1, -3, -5, -7, -9, . . .
c. 2, 5, 10, 17, 26, . . .
d. 1, - 1/2, 1/4, - 1/8, 1/16, . . .

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