最新のApplied-Algebra問題集で試験を準備する

WGU Applied-Algebra 試験概要:

WGU Applied-Algebra 試験シラバストピック:

WGU Applied Algebra FXO2 PFXP C957 認定 Applied-Algebra 試験問題：

問題 #1

A contractor charges a flat rate plus a fixed rate per hour to come and make repairs. For a job that takes 3 hours, the contractor charges $220. For a job that takes 5 hours, the contractor charges $340.
Which function correctly represents the total charge Cfor a job that takes thours?

A. C(t)=60t
B. C(t)=40t
C. C(t)=60t+40
D. C(t)=40t+60

問題 #2

As regulations change, the number of licensed sellers of a product decreases. The graph models the change in the number of licensed sellers over time.

What does the horizontal asymptote mean?

A. After 21 months, the number of licensed sellers decreased to 300.
B. In the long run, the number of licensed sellers nears 300.
C. Over time, the number of licensed sellers will increase back up to 1,050.
D. The number of licensed sellers was initially 1,050.

問題 #3

The value of a painting is represented by the function
f(x)=330× # 1.04 # ^x
In this function, xrepresents the number of years since 2004, and f(x)represents the value of the painting in dollars.
Which value represents the average yearly rate of change of the painting ' s value from 2013 to 2018?

A. 45.27
B. 101.76
C. 20.35
D. 520.57

問題 #4

The logistic function f(x), whose graph is shown, models the number of people with a viral infection, where x represents the number of days since the outbreak of the virus and f(x) represents the number of viral infections.

What happens as time progresses from day 9 to day 12?

A. The number of people with the virus increases faster and faster.
B. The number of people with the virus decreases faster and faster.
C. The number of people with the virus increases slower and slower.
D. The number of people with the virus decreases slower and slower.

問題 #5

The exponential function
f(x)=280× # 1.08 # ^x
represents the number of subscribers to a blog, where xrepresents the number of years since 2003 and f(x) represents the number of subscribers.
Which statement correctly interprets the average rate of change of the number of subscribers from 2003 to
2007? Round to the nearest whole number, if necessary.

A. The number of subscribers decreases at an average rate of 330 subscribers per year.
B. The number of subscribers increases at an average rate of 25 subscribers per year.
C. The number of subscribers increases at an average rate of 330 subscribers per year.
D. The number of subscribers decreases at an average rate of 25 subscribers per year.

解説：