Concept explainers
(a)
To find: Use grapher method to find the approximate real number zeroes.
The explanation is given.
Given informationThe function
The graph of the above function is given below
It can be seen that graph intersect x-axis four times. it mean the function has four zeroes.Graph intersect x- axis at approximately on
(b)
To find: identify the list of four linear factor.
The explanation is given.
Given information The four linear approximate factors are
(c)
To find: Discuss the graphical and numerical method.
The explanation is given.
Given information
The graphical method gives approximate factors of f(x).It also gives the idea of how many zeroes are there and they are positive or negative. If the factors are found by numerical method the factors can be more accurate. The numerical method is time taking.
Chapter 2 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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