f(x) = x3 - - 16x (a) Use a graphing calculator to draw the graph of f. y y 40 40 20 20 X - 10 -5 10 - 10 -5 5 10 –20 20 -40 -40 y y 40 40 20 20 -10 -5 10 -10 10 -20 - 20 -40 -40 (b) Find the domain and range of f. (Enter your answers using interval notation.) domain range (c) State approximately the intervals on which f is increasing and on which f is decreasing. (Enter your answers using interval notation. Round your answers to two decimal places.) increasing decreasing

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 51E
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Question
f(x) = x3 -
- 16x
(a) Use a graphing calculator to draw the graph of f.
y
y
40
40
20
20
X
- 10
-5
10
- 10
-5
5
10
–20
20
-40
-40
y
y
40
40
20
20
-10
-5
10
-10
10
-20
- 20
-40
-40
(b) Find the domain and range of f. (Enter your answers using interval notation.)
domain
range
(c) State approximately the intervals on which f is increasing and on which f is decreasing. (Enter your answers using interval notation. Round your answers to two decimal places.)
increasing
decreasing
Transcribed Image Text:f(x) = x3 - - 16x (a) Use a graphing calculator to draw the graph of f. y y 40 40 20 20 X - 10 -5 10 - 10 -5 5 10 –20 20 -40 -40 y y 40 40 20 20 -10 -5 10 -10 10 -20 - 20 -40 -40 (b) Find the domain and range of f. (Enter your answers using interval notation.) domain range (c) State approximately the intervals on which f is increasing and on which f is decreasing. (Enter your answers using interval notation. Round your answers to two decimal places.) increasing decreasing
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