Question
Writeanequationtodescribethesequencebelow,andthenfindthe4thterm.Usentorepresentthepositionofaterminthesequence,wheren = 1forthefirstterm.
8 , 12 , 18 , ...
Write your answer using proper fractions, improper fractions, and integers.
8 , 12 , 18 , ...
Write your answer using proper fractions, improper fractions, and integers.
Answers
Answered by
oobleck
wrong again. a_n = 4n + 4 produces 8, 12, 16, ...
8, 12, 18, ... is generated by
a_n = 8 * (3/2)^(n-1)
so a_4 = 27
8, 12, 18, ... is generated by
a_n = 8 * (3/2)^(n-1)
so a_4 = 27
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