Question: Sequence formula 3. Consider the sequence 8, 3.5, -1, -5.5, -10,. a) Find a formula for the general term. b) Use an appropriate sum formula

Sequence formula

3. Consider the sequence 8, 3.5, -1, -5.5, -10,. a) Find a formula for the general term. b) Use an appropriate sum formula to find the sum of the first 25 terms of this sequence

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