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Find a function (rule) that describes the sequence" 24, 21, 18, 15 and find the next three in the sequence.

5 answers

24 - ? = 21
21 - ? = 18
18 - ? = 15
Then, do the same thing over again

15 - ? =

? - ? =

? - ? =
it is minus 3 but idk how to write the rule. can you help??
Arithmetic sequence
term(n) = -3n + 27
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