30valgolden
14.06.2020 •
Mathematics
the first three terms of the sequence are -9 -7 -5 select the expression giving the nth term of the sequence n+2,n-2, 2n-9, 2n - 11
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Ответ:
2n-11
Step-by-step explanation:
-9, -7, -5
a+(n-1)d
-9+(n-1)2
-9+2n-2
2n-11
Ответ:
B
Step-by-step explanation:
I did the test :)