Concept explainers
a.
Find the intial quantity when
a.
Answer to Problem 79E
The quantity needed is
Explanation of Solution
Given:
It is given in the question that the quantity of radium present after t years is
Concept Used:
In this, use the concept of putting the value in the given function
Calculation:
The quantity of radium present after t years is given by the function:
At ,
Conclusion:
The Quantity is
b.
Calculate the quantity present after
b.
Answer to Problem 79E
The quantity needed is
Explanation of Solution
Given:
It is given in the question that the quantity of radium present after t years is
Concept Used:
In this, use the concept of putting the value in the given function
Calculation: The quantity of radium present after t years is given by the function:
At ,
Conclusion:
The Quantity is
c.
Draw the graph of the function in the interval
c.
Explanation of Solution
Given:
It is given in the question that the function is
Graph:
Interpretation:
The graph is shown above for the given function.
Simply,put the function in the graphic calculator,it gives the correct graph.And in the graph the curves linearly touch at the x axis at some certain points.And also the interval for
Chapter 3 Solutions
Precalculus with Limits: A Graphing Approach
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- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning