Which answer is the explicit it rule for the sequence 12.5, 11,9.5,8,6.5,5 A. an=14+1.5n B. An=13-1.5n C. an=14.5-1.5n D. an=14 -1.5n

asked Sep 10, 2019 6.6k views

1 vote

Which answer is the explicit it rule for the sequence 12.5, 11,9.5,8,6.5,5

A. an=14+1.5n

B. An=13-1.5n

C. an=14.5-1.5n

D. an=14 -1.5n

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5 votes

D. an = 14 - 1.5n

Selection D is the only one that works to give a1 = 12.5.

Roy Amoyal answered Sep 14, 2019

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