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Summation Properties and Rules

Question 3 • Precalculus

An explicit rule for a sequence tells how to find an as a function of .

Answer
A
the first term, a1
B
the next term, an+1
C
the term number, n
D
the previous term, an–1

Explanation

An explicit rule gives a term directly using its position in the sequence. Thus, it finds aₙ as a function of the term number n, not by using the previous or next term.

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