Concept explainers
To find : the second, third and fourth terms of the sequence and the explicit formula to represent the sequence whose recursive formula is
Answer to Problem 61PPE
The second, third and fourth terms of the sequence are 10, 11.2 and 12.4 respectively.
The explicit formula for given sequence is
Explanation of Solution
Given information: The recursive formula for the sequence is
Calculation:
By substituting n= 2,3 and 4 and then by using the previous term, we get the second, third and fourth terms of the sequence.
Thus, the second, third and fourth terms of the sequence are 10, 11.2 and 12.4 respectively.
Now, the first term and common difference of the sequence 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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