Use Sigma notation to represent the series algebra homework help
1)
Use Sigma notation to represent the series below.
2 + 5 + 8 + 11 + 14 + 17
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A.
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B.
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C.
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D.
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2) Find the sum of the arithmetic series.
a) 25
b) 126
c) 133
d) 119
3) Find a1 if d = 4, a20 = 82, and S20 = 880.
a) 2
b) 4
c) 6
d) 60
4) Find a1 if d = 2.5, a15 = 33.5, and S15 = 240.
a) 2.5
b) -1.5
c) -4
d) -2.5
5) Find the sum of the arithmetic series shown below.
a) 11187
b) 11300
c) 11074
d) 11211
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