WebAssign is not supported for this browser version. Some features or content might not work. System requirements

WebAssign

Welcome, demo@demo

(sign out)

Saturday, March 29, 2025 02:04 EDT

Home My Assignments Grades Communication Calendar My eBooks

Larson and Hostetler - Precalculus with Limits 1/e (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 9 / 68

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

Last Saved : n/a Saving...  ()

Ask Your Teacher Print Assignment
Question
Points
1 2 3 4 5 6 7 8 9
1/3 8/9 –/2 –/6 –/1 –/1 –/1 –/36 –/9
Total
9/68 (13.2%)

  • Instructions

    Here are some textbook questions from Precalculus with Limits 1/e by Ron Larson and Robert Hostetler published by Brooks/Cole. Click here for a list of all of the questions coded in WebAssign. This demo assignment allows many submissions and allows you to try another version of the same question for practice wherever the problem has randomized values.

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. 1/3 points  |  Previous Answers LarPCalcLim1 A.1.023. My Notes
Question Part
Points
Submissions Used
1 2 3
0/1 1/1 0/1
1/50 1/50 1/50
Total
1/3
 
Consider the following.
[5, ∞)
(a) Give a verbal description of the subset of real numbers represented by the inequality.
     Incorrect: Your answer is incorrect.


(b) Sketch the subset on the real number line.
Use the tools to enter your answer.
Created with Raphaël 2.1.0012345678910
Created with Raphaël 2.1.0

NO SOLUTION

Help
Correct: Your answer is correct.


(c) State whether the interval is bounded or unbounded.
     Incorrect: Your answer is incorrect.

Need Help? Read It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
2. 8/9 points  |  Previous Answers LarPCalcLim1 1.4.026.MI.SA. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8 9
1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 0/1
1/50 1/50 1/50 1/50 1/50 1/50 1/50 3/50 3/50
Total
8/9
 
This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part.

Evaluate the function at the specified value of the independent variable and simplify.
g(y) = 6 − 7y
Part (a)
Evaluate g(0).
Step 1 of 1
Replace y with 0.
g(0) = 6 − 7
0 Correct: Your answer is correct. seenKey

0
 = 6 − 0 Correct: Your answer is correct. seenKey

0
 = 6 Correct: Your answer is correct. seenKey

6

Part (b)
Evaluate g
6
7
.
Step 1 of 1
Replace y with 
6
7
.
g
6
7
 = 6 − 7
6/7 Correct: Your answer is correct. seenKey

6/7
 = 6 − 6 Correct: Your answer is correct. seenKey

6
 = 0 Correct: Your answer is correct. seenKey

0

Part (c)
Evaluate g(s + 2).
Step 1 of 1
Replace y with s + 2.
g(s + 2) = 6 − 7
s+2
Correct: Your answer is correct.
 = 6 − 
7s+14
Correct: Your answer is correct.
 = 
−7s+8
Incorrect: Your answer is incorrect.


Need Help? Read It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
3. –/2 points LarPCalcLim1 1.4.048.MI. My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/2
 
Find all real values of x such that f(x) = 0.
f(x) = 
10 − x2
3
x = 
(smaller value)
x = 
(larger value)

Need Help? Read It Master It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
4. –/6 points LarPCalcLim1 2.1.018.MI. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6
–/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50
Total
–/6
 
Sketch the graph of the quadratic function without using a graphing utility. Identify the vertex, axis of symmetry, and x-intercept(s). (Enter NONE in any unused answer blanks.)
f(x) = (x − 9)2 + 6
No Solution
Help
-20
-18
-16
-14
-12
-10
-8
-6
-4
-2
2
4
6
8
10
12
14
16
18
20
-20
-18
-16
-14
-12
-10
-8
-6
-4
-2
2
4
6
8
10
12
14
16
18
20
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.


vertex (x, y) = ( , )
axis of symmetry     
x-intercepts (x, y) = ( , )

Need Help? Read It Master It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
5. –/1 points LarPCalcLim1 2.1.044. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Write the standard form of the equation of the parabola that has the indicated vertex and whose graph passes through the given point.
Vertex: (3, −1);   point: (6, 17)
f(x) =

Need Help? Read It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
6. –/1 points LarPCalcLim1 4.7.056.MI. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Find the exact value of the expression. (Hint: Sketch a right triangle.)
tan
arcsin
− 
14
15
 

Need Help? Read It Master It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
7. –/1 points LarPCalcLim1 4.7.058. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Find the exact value of the expression. (Hint: Sketch a right triangle. Enter your answer in radians.)
cot
arctan
56
33
 

Need Help? Read It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
8. –/36 points LarPCalcLim1 8.1.034.SBS. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
–/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
–/36
 
Write the matrix in row-echelon form. (Remember that the row-echelon form of a matrix is not unique.)
12−13
37−514
−2−1−38
STEP 1: Multiply R1 by −3 and add to R2.
 
 
 
 
STEP 2: Multiply R1 by 2 and add to R3.
 
 
 
 
STEP 3: Multiply R2 by −3 and add to R3.
 
 
 
 

Need Help? Read It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
9. –/9 points LarPCalcLim1 8.1.038. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8 9
–/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
–/9
 
Use the matrix capabilities of a graphing utility to write the matrix in reduced row-echelon form.
 
 
264
103018
2610
 
 
 
 
 
 

Need Help? Read It

Your work in question(s) will also be submitted or saved.
Viewing Saved Work Revert to Last Response
Home My Assignments
Enter an exact number.
Enter an exact number.
Enter a number.
Enter a number.
Enter a fraction, integer, or exact decimal. Do not approximate.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.
Enter an exact number.