Find the interval(s) where the function is increasing and the interval(s) where it is decreasing.
?
?
A. Increasing on 
and 
, decreasing on 
B. Increasing on 
and 
C. Decreasing on 
and 
D. Increasing on 
, decreasing on 
and 
Answer: B
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Find the derivative.s = 
A. 
B. 
C. 
D. 
Solve the problem.The table shows the population of a certain city in various different years. Use regression to find values for a and b so that f(x) = axb models this data, where x represents the number of years since 1980 and f(x) is the population of the city in hundreds of thousands. Round your answers to 5 significant digits.
A. a ? 1.8506, b ? 0.51209 B. a ? 2.6352, b ? 0.47558 C. a ? 2.1375, b ? 0.44316 D. a ? 1.7025, b ? 0.53750
Find the sum of the finite geometric sequence.
a. 43
b. 22
c. 127
d. 63
Find the current ratio and the acid-test ratio for the indicated year. Round each ratio to the nearest hundredth of a percent.
This year current liabilities are $241,000.
A. 1.51; 0.88 B. 1.28; 0.88 C. 1.28; 0.72 D. 1.51; 0.69