
Concept explainers
(a)
The possible rational zeros of f.
(a)

Answer to Problem 35E
The Possible rational zeros are
Explanation of Solution
Given information:
The given polynomial function as shown below,
Formula used:
Calculation:
To find the value of x for which
The leading coefficient is -4 and the constant term is -3.
Possible rational zeros:
Conclusion:
The Possible rational zeros are
(b)
The graph of the function of f.
(b)

Answer to Problem 35E
The graph increases and decreases monotonically.
Explanation of Solution
Given information:
The given polynomial function as shown below,
Formula used:
The horizontal axis represents x-axis and vertical axis represents y axis.
Calculation:
Now draw the graph of f (x) it shown below:
Conclusion:
The graph increases and decreases monotonically.
(c)
All the real zeros of f.
(c)

Answer to Problem 35E
The rational solution from graph of
Explanation of Solution
Given information:
The given polynomial function as shown below,
Formula used:
The value of f(x) will be equated to zero.
Calculation:
It is clear the polynomial will have only three solutions because of its degree is three, so the rational solution from graph of
Conclusion:
The rational solution from graph of
Chapter 2 Solutions
Precalculus with Limits
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