(a)
To Graph:
The given functions
To State:
How many times the two graphs cross.
(a)
Answer to Problem 47E
The two graphs cross twice in the given window. They cross three times in total.
Explanation of Solution
Given:
Concepts Used:
Graphing given functions using a graphing calculator.
Calculations:
Graph
Conclusion:
The two graphs cross twice in the given window. They cross three times in total.
(b)
To Compare:
The corresponding changes in
To State:
How large must
(b)
Answer to Problem 47E
The corresponding changes in
Explanation of Solution
Given:
Concepts Used:
Evaluating a function for various inputs and tabulating the results.
Making a difference table.
Calculations:
Tabulate the values of
1 | 1 | 2 |
2 | 4 | 4 |
3 | 9 | 8 |
4 | 16 | 16 |
5 | 25 | 32 |
Make a difference table for the two functions.
change in | change in | change in |
1-2 | 3 | 2 |
2-3 | 5 | 4 |
3-4 | 7 | 8 |
4-5 | 9 | 16 |
Conclusion:
The corresponding changes in
(c)
To solve:
The equation
(c)
Answer to Problem 47E
Explanation of Solution
Given:
Concepts Used:
The solutions of the equation
Calculations:
Determine the intersection points of
Conclusion:
(d)
To solve:
The inequality
(d)
Answer to Problem 47E
Explanation of Solution
Given:
Concepts Used:
The solutions of the equation
Calculations:
Determine the interval where the values of
Conclusion:
The graph of
Chapter 0 Solutions
CALCULUS:GRAPHICAL,...,AP ED.-W/ACCESS
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