Concept explainers
a.
To calculate:
Composite function which gives the oldest siblings age in terms of the youngest.
a.
Answer to Problem 94E
Composite function which gives the oldest siblings age in terms of the youngest is
Explanation of Solution
Give information:
Three siblings of different ages.
Oldest sibling is twice eh age of the middle siblings.
Calculation:
Let the age of the youngest child is
By hypothesis, the age of the middle child,
The composite function which gives the oldst child age in terms of youngest child is
Thus,
b.
To calculate:
Age of two other sibling.
b.
Answer to Problem 94E
Age of youngest child is
Explanation of Solution
Give information:
Oldest sibling is
Calculation:
Let the age of the youngest child is
By hypothesis, the age of the middle child,
Oldest child age is of
Thus, age of youngest child is
The age of middle child,
Thus, the age of youngest child is
Chapter 1 Solutions
Precalculus with Limits: A Graphing Approach
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