8. Consider the polynomial function f(x) = x – 3x³ + 3x? whose domain is (-0, 0). Find the following: (a) The intervals on which f is increasing and the intervals on which it is decreasing. (b) The open intervals on which the graph of f is concave up and the open intervals on which the graph is concave down. (c) The local extreme values of f. (d) The global extreme values of f on the closed, bounded interval [-1,2]. (e) The points of inflection of f. (f) Sketch the graph of f on [-1,2] using this information.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.1: Polynomial Functions Of Degree Greater Than
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8. Consider the polynomial function f(x) = x4 – 3x³ + 3x² whose domain is (-0, 0). Find the
following:
(a) The intervals on which f is increasing and the intervals on which it is decreasing.
(b) The open intervals on which the graph of f is concave up and the open intervals on
which the graph is concave down.
(c) The local extreme values of f.
(d) The global extreme values of f on the closed, bounded interval [-1, 2].
(e) The points of inflection of f.
(f) Sketch the graph of f on [-1, 2] using this information.
Transcribed Image Text:8. Consider the polynomial function f(x) = x4 – 3x³ + 3x² whose domain is (-0, 0). Find the following: (a) The intervals on which f is increasing and the intervals on which it is decreasing. (b) The open intervals on which the graph of f is concave up and the open intervals on which the graph is concave down. (c) The local extreme values of f. (d) The global extreme values of f on the closed, bounded interval [-1, 2]. (e) The points of inflection of f. (f) Sketch the graph of f on [-1, 2] using this information.
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