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WGU Applied-Algebra Exam Overview:
| Certification Vendor: | Western Governors University (WGU) |
|---|---|
| Exam Name: | Applied Algebra |
| Exam Number: | C957 |
| Passing Score: | Competency-based (Approx. 70% equivalent) |
| Certificate Validity Period: | Transcript Validity |
| Related Certifications: | WGU B.S. in Business Management WGU B.S. in Information Technology |
| Real Exam Qty: | Approx. 50-70 |
| Available Languages: | English |
| Exam Duration: | 120-180 |
| Exam Format: | Multiple Choice, Graphing/Interpretation, Fill-in-the-blank |
| Exam Price: | Included in WGU Tuition |
| Sample Questions: | WGU Applied-Algebra Sample Questions |
| Exam Way: | Online Proctored (Objective Assessment - OA) |
| Pre Condition: | Learners should complete Applied Probability and Statistics (C955) or its equivalent prior to engaging in Applied Algebra. |
| Official Syllabus URL: | https://www.wgu.edu/online-it-degrees/information-technology-bachelors-program.html |
WGU Applied-Algebra Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Exponential Functions | - Interpret rates of change for exponential functions - Interpret inputs and outputs for exponential functions - Interpret concavity for exponential functions |
| Polynomial Functions | - Interpret rates of change for polynomial functions - Interpret concavity for polynomial functions - Interpret inputs and outputs for polynomial functions |
| Validity of Models | - Determine validity - Examine utility - Determine fit |
| Logistic Functions | - Interpret asymptotes for logistic functions - Interpret rates of change for logistic functions - Interpret inputs and outputs for logistic functions |
| Linear Functions | - Interpret inputs and outputs of linear functions - Interpret rates of change for linear functions |
| Graphical Depictions | - Interpret concavity for situations - Interpret maximum and minimum for situations - Interpret asymptotes for situations - Interpret rates of change for situations - Interpret inputs and outputs for situations |
| Functions and Algebra of Functions | - Derive conclusions based on data - Derive conclusions based on notation - Derive conclusions based on graphs |
WGU Applied Algebra FXO2 PFXP C957 Sample Questions:
The figure shows the graph of x(t), which represents the number of users, x, watching a live video thours after
9:00 a.m.
Which interpretation of the concavity between t=3.2and t=5.7is correct?
- A. The number of users is increasing slower and slower.
- B. The number of users is decreasing faster and faster.
- C. The number of users is decreasing slower and slower.
- D. The number of users is increasing faster and faster.
Correct Answer: B 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
In the graph showing the number of daily homework problems assigned for a math class, the horizontal axis shows the number of school days since the beginning of the term and the vertical axis shows the number of daily homework problems.
Which conclusion is correct based on this graph?
- A. The maximum number of daily homework problems is 29 and occurs at day 3.
- B. The maximum number of daily homework problems is 21 and occurs at day 11.
- C. The minimum number of daily homework problems is 18 and occurs at day 22.
- D. The minimum number of daily homework problems is 31 and occurs at day 1.
Correct Answer: C 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
A researcher collected data on the number of books donated per month to a thrift store over time. The results are shown in the scatterplot. A regression function is graphed with r
2
=0.99.
Which range of x-values is appropriate for extrapolation?
- A. x=0 to x=20
- B. Extrapolation is not appropriate because r
2
> 0.7. - C. Extrapolation is not appropriate because r
2
< 1. - D. x=2.5 to x=17.5
Correct Answer: D 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
The function a(x)represents the value of an investment account, where xis the number of years since the account was opened. The graph of the function is shown.
What is the total value when x=4?
- A. $763.84
- B. $570.79
- C. $1,830.59
- D. $1,022.19
Correct Answer: C 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
The number of new user accounts per day on a website is modeled by a decreasing exponential function. The graph of the function is shown.
Which statement is justified considering the location of the horizontal asymptote?
- A. The number of daily new user accounts changes the most after the first 5 months.
- B. The number of daily new user accounts will not decrease to 0.
- C. The greatest number of daily new user accounts occurs after 10 months.
- D. The number of daily new user accounts will change by a constant rate over time.
Correct Answer: B 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
By Marsh
