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UNIT 2, LESSON 7 POLYNOMIAL AND RATIONAL INEQUALITIES.

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Presentation on theme: "UNIT 2, LESSON 7 POLYNOMIAL AND RATIONAL INEQUALITIES."— Presentation transcript:

1 UNIT 2, LESSON 7 POLYNOMIAL AND RATIONAL INEQUALITIES

2 POLYNOMIAL INEQUALITIES The graph of y=f(x) lies above the x-axis exactly when f(x)>0 and below the x-axis exactly when f(x)<0.

3 PRACTICE PROBLEM Set the inequality “equal” to zero.

4 PRACTICE PROBLEM Set the inequality “equal” to zero. Graph on your graphing calculator.

5 PRACTICE PROBLEM Set the inequality “equal” to zero. Graph on your graphing calculator. Find the zeros.

6 PRACTICE PROBLEM Set the inequality “equal” to zero. Graph on your graphing calculator. Find the zeros. The function is <0 wherever the graph falls below the x-axis.

7 PRACTICE PROBLEM Set the inequality “equal” to zero. Graph on your graphing calculator. Find the zeros. Write the answer in interval notation.

8 PRACTICE PROBLEM

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11 RATIONAL INEQUALITIES The behavior of a rational function f(x) is determined by the x-intercepts and asymptotes of the function.

12 PRACTICE PROBLEM

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