f(x) = x + 4.5x² – 12x – 3 a) Find the first and second derivatives. f'(x) = 3x^2+9x-12 f"(x) = 6x+9 b) Identify the graph that displays f in blue and f" in red. B + A. В. D. c) Using the graphs of f and f", indicate where f is concave up and concave down. Give your answer in the form of an interval. NOTE: When using interval notation in WeBWorK, remember that: You use 'INF' for co and '-INF' for -o. And use 'U' for the union symbol. Enter DNE if an answer does not exist. f is concave up on f is concave down on
f(x) = x + 4.5x² – 12x – 3 a) Find the first and second derivatives. f'(x) = 3x^2+9x-12 f"(x) = 6x+9 b) Identify the graph that displays f in blue and f" in red. B + A. В. D. c) Using the graphs of f and f", indicate where f is concave up and concave down. Give your answer in the form of an interval. NOTE: When using interval notation in WeBWorK, remember that: You use 'INF' for co and '-INF' for -o. And use 'U' for the union symbol. Enter DNE if an answer does not exist. f is concave up on f is concave down on
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
Related questions
Question
![f(x) = x' + 4.5x² – 12x – 3
a) Find the first and second derivatives.
f'(x) =
3x^2+9x-12
f"(x) = 6x+9
b) Identify the graph that displays f in blue and f" in red. B +
58
58
A.
В.
-5
-5
-58
-58
58
58
С.
D.
-58
c) Using the graphs of f and f" , indicate where f is concave up and concave down. Give your answer in the form of an interval.
NOTE: When using interval notation in WeBWork, remember that:
You use 'INF' for o and '-INF' for -o.
And use 'U' for the union symbol.
Enter DNE if an answer does not exist.
f is concave up on
...
f is concave down on](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6a4f9aef-0030-4039-b383-da25dc022ebb%2F6d81b9c1-4be0-4722-8620-2eecb2d4aee1%2Fnsoafjp_processed.png&w=3840&q=75)
Transcribed Image Text:f(x) = x' + 4.5x² – 12x – 3
a) Find the first and second derivatives.
f'(x) =
3x^2+9x-12
f"(x) = 6x+9
b) Identify the graph that displays f in blue and f" in red. B +
58
58
A.
В.
-5
-5
-58
-58
58
58
С.
D.
-58
c) Using the graphs of f and f" , indicate where f is concave up and concave down. Give your answer in the form of an interval.
NOTE: When using interval notation in WeBWork, remember that:
You use 'INF' for o and '-INF' for -o.
And use 'U' for the union symbol.
Enter DNE if an answer does not exist.
f is concave up on
...
f is concave down on
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