
Concept explainers
(a)
To find: The find the region where the
(a)

Answer to Problem 57E
The region where the
Explanation of Solution
Given:
The given table is shown in Table 1
Table 1
| | | |
-2 | 7 | 0.25 | 4.81 |
-1.75 | 4.19 | 0.5 | -4.25 |
-1.5 | 1.75 | 0.75 | -3.31 |
-1.25 | -0.31 | 1 | -2 |
-1 | -2 | 1.25 | -0.31 |
-0.75 | -3.31 | -1.5 | 1.75 |
-0.5 | -4.25 | 1.75 | 4.19 |
-0.25 | -4.81 | 2 | 7 |
0 | -5 |
Calculation:
The graph for the values given in the table is shown in Figure 1
Figure 1
Consider that the
Then, if the function has the maximum value or the local minimum value at the interior point
Consider that
Consider that
Consider that
Consider that for the given table
From this it is clear that the function increases on the interval
Consider that for the given table
From this it is clear that the function decrease on the interval
Thus, the local maxima for the given function is at
(b)
To find: The quadratic regression of the equation for the data in the table and superimpose the graph on the
(b)

Answer to Problem 57E
The required regression equation is
Explanation of Solution
Calculation:
From the table 1 when the values are entered in the calculator the regression equation is obtained as,
(c)
To find: The formula for the
(c)

Answer to Problem 57E
The function is
Explanation of Solution
Calculation:
Consider the regression equation is,
Then,
Then the function is
Chapter 5 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
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