Question

For the sequence 8x + 4, 7x + 3, 6x + 2, 5x +1, ... ,...

For the sequence 8x + 4, 7x + 3, 6x + 2, 5x +1, ... ,
a. Identify the next 3 terms.
b. Is the sequence arithmetic or geometric? How do you know?
c. Find the explicit and recursive formulae for this sequence.
d. Write out the sum formula for the first 20 terms and evaluate.
e. Write your process to part (d) in Sigma Notation.

Math   Precalculus   
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