UNIT 2, LESSON 7

POLYNOMIAL AND RATIONAL INEQUALITIES

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.

PRACTICE PROBLEM23 152 xxx

• Set the inequality “equal” to zero.

0152 23 xxx

PRACTICE PROBLEM23 152 xxx

• Set the inequality “equal” to zero.• Graph on your graphing calculator.

PRACTICE PROBLEM23 152 xxx

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

PRACTICE PROBLEM23 152 xxx

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

The function is <0 wherever the graphfalls below the x-axis.

PRACTICE PROBLEM23 152 xxx

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

0152 23 xxx

3,05.2,

PRACTICE PROBLEM884082110 234 xxxx

PRACTICE PROBLEM884082110 234 xxxx

080402110 234 xxxx

PRACTICE PROBLEM884082110 234 xxxx

080402110 234 xxxx

,89.153.1,

RATIONAL INEQUALITIES

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

PRACTICE PROBLEM

61

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PRACTICE PROBLEM

61

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061

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PRACTICE PROBLEM

61

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061

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1,857.