
Concept explainers
(a)
To graph:For the given member of family in viewing rectangle indicated.
(a)

Explanation of Solution
Given information:
The given function is
The value of
Graph:
The graph for the given family of equations is shown in figure (1).
Figure (1)
Interpretation: Graph for the family of equations of the function
(b)
To graph: For the given member of family in viewing rectangle indicated.
(b)

Explanation of Solution
Given information:
The given function is
The value of
Graph:
The graph for the given family of equations is shown in figure (2).
Figure (2)
Interpretation: Graph for the family of equations of the function
(c)
The conclusions from the graphs and effects on the value of
(c)

Answer to Problem 74E
The graph of
Explanation of Solution
Given information:
The given function is
Calculation:
From the graphs in part (a) and (b), we can observed that the graph of
The graph of
As
The graph of
As
The graph of
Therefore, the graph of
Chapter 2 Solutions
Precalculus - A Custom Text for UNLV
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- please do #48arrow_forward43–46. Directions of change Consider the following functions f and points P. Sketch the xy-plane showing P and the level curve through P. Indicate (as in Figure 15.52) the directions of maximum increase, maximum decrease, and no change for f. ■ 45. f(x, y) = x² + xy + y² + 7; P(−3, 3)arrow_forwardplese do #48arrow_forward
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