1 f(x) = 3x³ − x² + 27x − 9, - -

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter4: Polynomial And Rational Functions
Section4.5: Zeros Of Polynomial Functions
Problem 79E
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1. Given f(x) = 3x³ − x² + 27x − 9,
-
a) Determine the maximum number of real roots.
b) How many possible positive roots?
c) How many possible negative roots?
d) List all possible rational roots.
e) Find and list each real and complex root with its multiplicity.
f) List the polynomial as a product of linear factors.
g) Determine where the graph touches the x-axis and where it
crosses the x-axis. Explain the answer.
Transcribed Image Text:1. Given f(x) = 3x³ − x² + 27x − 9, - a) Determine the maximum number of real roots. b) How many possible positive roots? c) How many possible negative roots? d) List all possible rational roots. e) Find and list each real and complex root with its multiplicity. f) List the polynomial as a product of linear factors. g) Determine where the graph touches the x-axis and where it crosses the x-axis. Explain the answer.
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