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ra1l [238]
3 years ago
9

Which sequence is generated by the function f(n + 1) = f(n) – 2 for f(1) = 10?

Mathematics
1 answer:
kozerog [31]3 years ago
7 0
F(n+1)=f(n)-2 is the recursive function for this arithmetic sequence.  The explicit form is:

f(n)=a-d(n-1)  where a(initial term) is 10 and d(common difference) is -2

f(n)=10-2(n-1)  which cleans up to

f(n)=12-2n  so the first few terms are:

10,8,6,4,2,0,-2,-4.....
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