EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.
10th Edition
ISBN: 9780135795910
Author: Demana
Publisher: PEARSON CO
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Expert Solution & Answer
Chapter P.7, Problem 23E
Solution
Solve the inequality graphically.
Given:
The inequality is,
Concept Used:
- The relationship between two values that are not equal is defined by inequalities.
- Inequality means not equal.
- Generally, if two values are not equal, we use “not equal symbol (?)”. But to compare the values, whether it is less than or greater than, different inequalities are used.
- Factorization is the process of reducing the bracket of a
quadratic equation , instead of expanding the bracket and converting the equation to a product of factors which cannot be reduced further.
Calculation:
The graph of
Note that the given inequality is true for the values of
Thus, the solution of the given inequality is
Interval notation
Chapter P Solutions
EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.
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