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How many times does this polynomial change signs? f(x) = 3x5 – 2x4 – 6x3 + x2 - 4x – 9

How many times does this polynomial change signs? f(x) = 3x5 – 2x4 – 6x3 + x2 - 4x – 9
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How many times does this polynomial change signs?
f(x) = 3x5 – 2x4 – 6x3 + x2 - 4x – 9

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User Hpm
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8.5k points

1 Answer

4 votes

Answer:

3 sign changes from the highest order term to lowest

answered
User Puri
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