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T Question 4 How many times does this polynomial change signs? f(x) = 3x5 - 2x²¹ - 6x³ + x² - 4x – 9

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asked Jul 5, 2024 134k views

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Question 4
How many times does this polynomial change signs?
f(x) = 3x5 - 2x²¹ - 6x³ + x² - 4x – 9

Mathematics
high-school

Anstue asked

by Anstue

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2 I believe
Change from - to + then from + to - so that’s twice

Jeremy Wilken answered Jul 11, 2024

by Jeremy Wilken

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T Question 4 How many times does this polynomial change signs? f(x) = 3x5 - 2x²¹ - 6x³ + x² - 4x – 9

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