For the function below, find a) the critical numbers; b) the open intervals where the function is increasing; and c) the open intervals where it is decreasing. f(x) = 2x° + 6x - 48x+ 18 a) Find the critical number(s). Select the correct answer below and, if necessary, fill in the answer box within your choice

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...
icon
Related questions
icon
Concept explainers
Question
For the function below, find a) the critical numbers; b) the open intervals where the function is increasing; and c) the open intervals where it is decreasing.
3
f(x) = 2x³ + 6x² –
48x + 18
a) Find the critical number(s). Select the correct answer below and, if necessary, fill in the answer box within your choice.
O A. The critical number(s) is/are
(Type an integer or a simplified fraction. Use a comma to separate answers as needed.)
O B. There are no critical numbers.
b) List any interval(s) on which the function is increasing. Select the correct answer below and, if necessary, fill in the answer box within your choice.
O A. The function is increasing on the interval(s)
(Type your answer in interval notation. Use a comma to separate answers as needed.)
O B. The function is never increasing.
c) List any interval(s) on which the function is decreasing. Select the correct answer below and, if necessary, fill in the answer box within your choice.
O A. The function is decreasing on the interval(s)
(Type your answer in interval notation. Use a comma to separate answers as needed.)
O B. The function is never decreasing.
Transcribed Image Text:For the function below, find a) the critical numbers; b) the open intervals where the function is increasing; and c) the open intervals where it is decreasing. 3 f(x) = 2x³ + 6x² – 48x + 18 a) Find the critical number(s). Select the correct answer below and, if necessary, fill in the answer box within your choice. O A. The critical number(s) is/are (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) O B. There are no critical numbers. b) List any interval(s) on which the function is increasing. Select the correct answer below and, if necessary, fill in the answer box within your choice. O A. The function is increasing on the interval(s) (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function is never increasing. c) List any interval(s) on which the function is decreasing. Select the correct answer below and, if necessary, fill in the answer box within your choice. O A. The function is decreasing on the interval(s) (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function is never decreasing.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Application of Differentiation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Calculus: Early Transcendentals
Calculus: Early Transcendentals
Calculus
ISBN:
9781285741550
Author:
James Stewart
Publisher:
Cengage Learning
Thomas' Calculus (14th Edition)
Thomas' Calculus (14th Edition)
Calculus
ISBN:
9780134438986
Author:
Joel R. Hass, Christopher E. Heil, Maurice D. Weir
Publisher:
PEARSON
Calculus: Early Transcendentals (3rd Edition)
Calculus: Early Transcendentals (3rd Edition)
Calculus
ISBN:
9780134763644
Author:
William L. Briggs, Lyle Cochran, Bernard Gillett, Eric Schulz
Publisher:
PEARSON
Calculus: Early Transcendentals
Calculus: Early Transcendentals
Calculus
ISBN:
9781319050740
Author:
Jon Rogawski, Colin Adams, Robert Franzosa
Publisher:
W. H. Freeman
Precalculus
Precalculus
Calculus
ISBN:
9780135189405
Author:
Michael Sullivan
Publisher:
PEARSON
Calculus: Early Transcendental Functions
Calculus: Early Transcendental Functions
Calculus
ISBN:
9781337552516
Author:
Ron Larson, Bruce H. Edwards
Publisher:
Cengage Learning