Mathematics, 03.12.2019 03:31 napoleonbrown

Plz someone
write an explicit formula for the sequence{an} = {-3,-1/2,2,9/2,}. then find a17.
a) an= 5/2n-11/2; 37
b) an=3/2n-9/2; 21
c) an=5/2n-11/2; 69/2
d) an=-5/2n+11/2; -37

what is the 83rd term of the arithmetic system {an}={-22, -18,-}
a) -350
b)302
c)306
d) 354

write the series -25-22-19+ 14 terms using summation notation

Answers: 3

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Plz someone
write an explicit formula for the sequence{an} = {-3,-1/2,2,9/2,}. then find a17....