Quadratic inequality.
Answer to Problem 33RE
Solution set is
Explanation of Solution
Given information:
Calculation:
Initially solve
Subtract
Thus,
Compare the given function
Here,
To find out the discriminant
Since, the discriminant is positive, equation has two real and unequal solutions.
Solving equation
Find vertex of the equation.
The vertex at
Solve,
Vertex is at
Graph showing with the vertex
From the graph, function in shaded region
Therefore, solution set is
Chapter 3 Solutions
Precalculus
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