
Tofind:The solution of the interval on x-axis in which curve lies under x-axis.

Answer to Problem 69E
The solution is interval on x-axis in which the curve lies under x-axis
Explanation of Solution
Given:
Concept used:
The lowest value or the roots is taken as minimum point where the solution exist.
The highest value or the roots is taken as maximum point where the solution exist.
The graph can predict the solution below x-axis.
Calculation:
Required:
Solve the graphically the inequality
The solution is interval on x-axis in which the curve lies under x-axis.
Graph of
Hence, the solution is interval on x-axis in which the curve lies under x-axis
Chapter 1 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
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