Question

Find an explicit rule for the nth term of the sequence.

Answer 1

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Answer:

  (a)  an = -4·2^(n-1)

Step-by-step explanation:

The form for the general term is ...

  an = a1·r^(n-1) . . . . . a1 is the first term; r is the common ratio

For a1=-4 and r=-8/-4 = 2, the rule will be ...

  an = -4·2^(n-1)

Answer 2

Answer:

the answer is a

Step-by-step explanation:

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