Suppose the interval [1,9] is divided into n subintervals of equal width, and Ck represents the left endpoint of the k-th subinterval. Find the correct formula for Cx . k C =1+ 8n 8k 1+ Ck k – 1 Ck = 1+ 8n 8(k – 1) Ck = 1+

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.