Question
Asked Dec 9, 2019
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Use the Intermediate Value Theorem to show that the given function: 

f(x)= 3x3-10x+9 has a zero in the given interval [-3,-2]. 

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Expert Answer

Step 1
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f(x)= 3x – 10x +9

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Step 2
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f(-3)= 3(-3)° –10(-3)+9 = 81+ 30 +9 = -42 f(-2)= 3(-2)' – 10(-2)+9 = -24 + 20 + 9 = 5

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Algebra

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