Concept explainers
a.
To find : an explicit formula that represents the same sequence..
a.
Answer to Problem 5P
Explanation of Solution
Given information: The recursive formula for the sequence is
Calculation:
The first term of given sequence is
We know that the recursive formula for the arithmetic sequence with first term
Therefore, the common ratio is
Now, the explicit formula for the arithmetic sequence with first term
Thus, explicit formula for given sequence is
b
To find : an explicit formula that represents the same sequence..
b
Answer to Problem 5P
Explanation of Solution
Given information: The recursive formula for the sequence is
Calculation:
The first term of given sequence is
We know that the recursive formula for the arithmetic sequence with first term
Therefore, the common ratio is
Now, the explicit formula for the arithmetic sequence with first term
Thus, explicit formula for given sequence is
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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