These review exercises are for test preparation. They can also be used as a practice test. Answers are at the back of the book. The red bracketed section references tell you what part(s) of the chapter to restudy if your answer is incorrect. Concept Reinforcement Match each description in column A with the most appropriate graph in column B. Column A Column B A function with a relative maximum but no absolute extrema
These review exercises are for test preparation. They can also be used as a practice test. Answers are at the back of the book. The red bracketed section references tell you what part(s) of the chapter to restudy if your answer is incorrect. Concept Reinforcement Match each description in column A with the most appropriate graph in column B. Column A Column B A function with a relative maximum but no absolute extrema
These review exercises are for test preparation. They can also be used as a practice test. Answers are at the back of the book. The red bracketed section references tell you what part(s) of the chapter to restudy if your answer is incorrect.
Concept Reinforcement
Match each description in column A with the most appropriate graph in column B.
Column A
Column B
A function with a relative maximum but no absolute extrema
Formula Formula A function f(x) attains a local maximum at x=a , if there exists a neighborhood (a−δ,a+δ) of a such that, f(x)<f(a), ∀ x∈(a−δ,a+δ),x≠a f(x)−f(a)<0, ∀ x∈(a−δ,a+δ),x≠a In such case, f(a) attains a local maximum value f(x) at x=a .
Expert Solution & Answer
To determine
The graph from the provided graph that matches thestatement “A function with a relative maximum but no absolute extrema”.
Answer to Problem 1RE
Solution:
The graph that matches the provided statement is, (g) and is shown below,
Explanation of Solution
Given Information:
The statement, “A function with a relative maximum but no absolute extrema” and the graphs to choose the correct one.
Consider the provided statement:
“A function with a relative maximum but no absolute extrema.”
An extremum (or extreme value) of a function is a point at which a maximum or minimum value of the function is obtained.
A localextremum (or relative extremum) of a function is the point at which a maximum or minimum value of the function is obtained in some open interval containing the point.
An absolute extremum (or global extremum) of a function is the point at which a maximum or minimum value of the function is obtainedin the interval on which the function is defined.
We can see that the graph of the function given below has a relative maximum but no absolute maximum.
Hence, the graph that matches the provided statement is (g).
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Refine your table by calculating values of x that go up in increments of 100 between these two
numbers. You can refine even further if you wish.
x, number of books sold
Income with publisher A, ($)
A =
Income with publisher B, ($)
B =
What is your best estimate for the number of books sold that make the plans equal?
Use the numerical data above to graphically compare the incomes. Construct a graph to model
both publishing plans on the same Cartesian Plane and attach it to this tutorial (you may use Excel
or DESMOS if you wish). Which quantity is to plotted on which axis?
Properly label and title your graph. What is your best estimate from your graph?
Now solve the problem algebraically. You are solving a system of equations by substitution.
Part C. Comment on the Process and Interpret the Results
Are the solutions you obtained numerically, graphically and algebraically consistent?
What factors must the students consider when deciding between these two offers?
University Calculus: Early Transcendentals (4th Edition)
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