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how do i write a recursive rule for the arithmetic sequence 5.00, 5.03, 5.06, 5.09, etc.

Mathematics
Tutor: None Selected Time limit: 1 Day

this question is regarding the monthly bill for a cell phone. $5.00 is the flat start out fee and $0.03 are added for each minute.

Mar 21st, 2015

Ao = 5.00

Then,

A1 = Ao + 0.03 = 5.00 + 0.03 = 5.03

A2 = A1 + 0.03 = 5.03 + 0.03 = 5.06

A3 = A2 + 0.03 = 5.06 + 0.03 = 5.09

Therefore, the recursive rule is

An = An-1 + 0.03

Mar 21st, 2015

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