The total weekly sales for a newly released portable media player (PMP) increased each week. At the same time, the total weekly sales for another newly released PMP decreased each week. Models that approximate the total weekly sales S (in thousands of units) for each PMP are
?
?
where x represents the number of weeks each PMP was in stores, with x = 0 corresponding to the PMP sales on the day each PMP was first released in stores. After how many weeks will the sales for the two PMPs be equal?
?
A. 11 weeks
B. 9 weeks
C. 7 weeks
D. 3 weeks
E. 5 weeks
Answer: C
You might also like to view...
Find y '.y = 
A. - 
- 1
B. 
+ 1
C. - 
- 1
D. 
+ 1
Answer the question.What does the digit 7 mean in the number 247,189?
A. 7 hundred thousands B. 7 ten thousands C. 7 thousands D. 7 hundreds
There were many names mentioned in this section. Give a brief description for the person named in problem, telling how they were related to the development of computers. ? Aristophanes ?
A. 1st computer in the 1800s B. Bill Gates' partner in Microsoft C. finger counting D. 19th century calculating machine E. 1st computer in the 1990s
For the given functions f and g, find the requested composite function.f(x) = -2x + 5, g(x) = 5x + 3;
Find (g ? f)(x).
A. 10x + 28 B. -10x + 28 C. -10x - 22 D. -10x + 11