Concept explainers
(a)
To write: a function that represents arithmetic sequence.
(a)
Answer to Problem 45E
the function that represents the arithmetic sequence is
Explanation of Solution
Given:
Minutes after midnight January 1st | 1 | 2 | 3 | 4 |
Total babies born | 5 | 10 | 15 | 20 |
Calculation:
The first term is 5 and the common difference is 5
Consider the function for the arithmetic sequence
Put the value
Therefore, the function that represents the arithmetic sequence is
Conclusion:
Therefore, the function that represents the arithmetic sequence is
(b)
To graph: the function.
(b)
Answer to Problem 45E
The graph for the sequence
Explanation of Solution
Calculation:
Now, draw the graph for the sequence
Conclusion:
Therefore, the graph for the sequence is drawn.
(c)
To estimate: the minutes after midnight January 1st it takes for 100 babies to be born
(c)
Answer to Problem 45E
The minutes after midnight January 1st it takes for 100 babies to be born is 20 minutes
Explanation of Solution
Calculation:
Now find the value of
So,
Divide by 5 on both sides
Therefore, the minutes after midnight January 1st it takes for 100 babies to be born is 20 minutes
Conclusion:
Therefore, the minutes after midnight January 1st it takes for 100 babies to be born is 20 minutes
Chapter 4 Solutions
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