Concept explainers
To Write: The equation for the given sequence and to find the indicated term.
Answer to Problem 23PPS
The equation that describes the sequence is
Explanation of Solution
Given information:
Term number (n) | 1 | 2 | 3 | 4 |
Term (t) | 7 | 10 | 13 | 16 |
Calculation:
The terms have a common difference of 3. The term is 4 more than three times the term number. So the equation that describes the sequence is
Use the equation to find the 20th term. Let
Write the equation
Substitute the value of n i.e. 20
Multiply 20 and 3 first i.e.60
Add 60 and 4 i.e.64
Thus the 20th term is 64.
Chapter 8 Solutions
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