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Hungerford - Contemporary Precalculus 5/e (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 11 / 22

Due : Sunday, January 27, 2030 00:00 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6
1/1 6/8 1/1 –/8 –/1 3/3
Total
11/22 (50.0%)

  • Instructions

    Create your course assignments by selecting questions from our bank of 1500 end-of-section exercises, as well as enhanced interactive examples with videos.

    While doing their homework, students can link to the relevant interactive examples from the book and work through them again and again for additional practice before answering the question.

    Students can view and hear additional instruction through the 2-5 minute Watch It links. Students will also find helpful links to online excerpts from their textbook, online-live help, tutorials, and videos.

    Watch It - videos of worked examples

    Practice It - interactive examples

    Master It - tutorials

    Chat About It - online, live help

    In this assignment we present several textbook question types found in Chapter 3 on Functions in Contemporary Precalculus - A Graphing Approach 5/e by Thomas W. Hungerford published by Brooks/Cole. This demo assignment allows many submissions and allows you to try another version of the same question for practice.

Assignment Submission

For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer.

Assignment Scoring

Your last submission is used for your score.

1. 1/1 points  |  Previous Answers HPreCalc5 3.1.013. My Notes
Question Part
Points
Submissions Used
1
1/1
3/50
Total
1/1
 
Determine whether the equation defines y as a function of x or defines x as a function of y.
y2 = 3x2 + 2
     Correct: Your answer is correct.

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2. 6/8 points  |  Previous Answers HPreCalc5 3.1.040. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8
1/1 1/1 1/1 –/1 1/1 1/1 1/1 –/1
1/50 1/50 1/50 0/50 1/50 1/50 1/50 0/50
Total
6/8
 
State the domain and range of the function defined by the graph.
domain Correct: Your answer is correct.
−3
Correct: Your answer is correct. ,
3
Correct: Your answer is correct.
range Correct: Your answer is correct.
−4
Correct: Your answer is correct. ,
3
Correct: Your answer is correct.

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3. 1/1 points  |  Previous Answers HPreCalc5 3.2.025. My Notes
Question Part
Points
Submissions Used
1
1/1
1/50
Total
1/1
 
Assume h 0. Compute and simplify the difference quotient for f(x) = x - 2.
(f(x + h) - f(x)) / h
1
Correct: Your answer is correct.

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4. –/8 points HPreCalc5 3.3.032. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8
–/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
–/8
 
Find the approximate intervals on which the function is increasing, those on which it is decreasing, and those on which it is constant. (Enter NONE in any unused answer blanks.)
g(x) = |x - 5| - |x + 3|
decreasing (
0
,
5
)
constant (
,
) ∪

(
,
)
increasing (
,
)

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5. –/1 points HPreCalc5 3.4.043. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Use the graph of the function f in the figure to sketch the graph of the function g. (Graph segments with closed endpoints only.)
g(x) = f(x - 5) + 2
No Solution
Help
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Clear Graph
Delete Layer
Fill

Graph LayersToggle Open/Closed

  • After you add an object to the graph you can use Graph Layers to view and edit its properties.

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6. 3/3 points  |  Previous Answers HPreCalc5 3.7.024. My Notes
Question Part
Points
Submissions Used
1 2 3
1/1 1/1 1/1
1/50 1/50 1/50
Total
3/3
 
Find each of the following.
f(x) = 4 x - 12
g(x) = x / 4 + 3
(f∘g)(x) =
x
Correct: Your answer is correct.
(g∘f)(x) =
x
Correct: Your answer is correct.

Is g the inverse of f ?
     Correct: Your answer is correct.

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