f(x) = x³ - 27x + 8

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.5: Functions
Problem 9ECP
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Consider the function below. (If an answer does not exist, enter DNE.)
f(x)
x³ - 27x + 8
(a) Find the interval of increase. (Enter your answer using interval notation.)
-∞, -3), (3,∞0) ✔
=
Find the interval of decrease. (Enter your answer using interval notation.)
(-3,3)
(b) Find the local minimum value(s). (Enter your answers as a comma-separated list.)
-3
X
Find the local maximum value(s). (Enter your answers as a comma-separated list.)
3
X
(c) Find the inflection point.
(x, y)
0,8
=
)
Find the interval where the graph is concave upward. (Enter your answer using interval notation.)
(0,∞)
Find the interval where the graph is concave downward. (Enter your answer using interval notation.)
(-∞0,0)
Transcribed Image Text:Consider the function below. (If an answer does not exist, enter DNE.) f(x) x³ - 27x + 8 (a) Find the interval of increase. (Enter your answer using interval notation.) -∞, -3), (3,∞0) ✔ = Find the interval of decrease. (Enter your answer using interval notation.) (-3,3) (b) Find the local minimum value(s). (Enter your answers as a comma-separated list.) -3 X Find the local maximum value(s). (Enter your answers as a comma-separated list.) 3 X (c) Find the inflection point. (x, y) 0,8 = ) Find the interval where the graph is concave upward. (Enter your answer using interval notation.) (0,∞) Find the interval where the graph is concave downward. (Enter your answer using interval notation.) (-∞0,0)
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