Mathematics, 22.04.2021 21:20 2alshawe201
Guided Practice
A recursive formula for an arithmetic sequence is given. What is the explicit formula for this sequence?
a1=42an=anβ1β6a subscript 1 baseline equals 42 line break a subscript n baseline equals a subscript n minus 1 baseline minus 6
A.
an=42+(nβ1)(β6)a subscript n baseline equals 42 plus left parenthesis n minus 1 right parenthesis left parenthesis negative 6 right parenthesis
B.
an=42+(nβ1)β(β6)a subscript n baseline equals 42 plus left parenthesis n minus 1 right parenthesis minus left parenthesis negative 6 right parenthesis
C.
an=β6+(nβ1)42a subscript n baseline equals negative 6 plus left parenthesis n minus 1 right parenthesis 42
Answers: 2
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