Concept explainers
(a)
To write: a function
(a)
Answer to Problem 52AYU
The required function is
Explanation of Solution
Given:
Traveling down the road at
The actual pitch of the siren is
Calculation:
Consider the function for the Doppler Effect given by the following relation:
Where
Since we are travelling at
Also, the actual pitch of the siren is
The function hence formed from the given information becomes:
Conclusion:
Therefore, the required function is
(b)
To find: the speed of the ambulance.
(b)
Answer to Problem 52AYU
The speed of the ambulance is
Explanation of Solution
Given:
Calculation:
Put the value of
By solving this equation we have the value
Conclusion:
The speed of the ambulance is
(c)
To graph: the functionby using a graphing utility
(c)
Answer to Problem 52AYU
Explanation of Solution
Calculation:
Conclusion:
Thus, the required graph is drawn.
(d)
To verify:the answer from part (b).
(d)
Answer to Problem 52AYU
The graph that the graphical value as well as the theoretical value of this is same at the point where
Explanation of Solution
Calculation:
It can be clearly seen from the graph that the graphical value as well as the theoretical value of this is same at the point where
Chapter 4 Solutions
Precalculus
Additional Math Textbook Solutions
Precalculus (10th Edition)
Glencoe Math Accelerated, Student Edition
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Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (4th Edition)
University Calculus: Early Transcendentals (4th Edition)
Precalculus Enhanced with Graphing Utilities (7th Edition)
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