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EXAMPLE 1 Solving a Polynomial Inequality
Solve and graph the solution set on a real number line: .
http://www.wolframalpha.com/input/?i=2x^2+%2B+x+%3E+15
EXAMPLE 2 Solving a Polynomial Inequality
Solve and graph: .
http://www.wolframalpha.com/input/?i=x^3+%2B+x^2+%E2%89%A4+4x+%2B+4
EXAMPLE 3 Solving a Rational Inequality
Solve and graph: .
http://www.wolframalpha.com/input/?i=%28x%2B1%29%2F%28x%2B3%29%3E%3D2
EXAMPLE 4 Using the Position Function
If the initial height and the initial velocity feet per second, during what times will the height ?