Use the integral test to determine whether the series converges.
A. diverges
B. converges
Answer: B
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Give an appropriate answer.Let
f(x) = 6 and
g(x) = -1. Find
.
A. - 
B. 2
C. - 
D. - 
Solve the problem.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, multiplying both sides by x, differentiating again, and replacing x by 
.
A. 
B. 
C. 
D. 
Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
The greatest number of employees are in which salary group?
A. $50,000-$60,000 B. $30,000-$35,000 C. $50,000-$55,000
Solve the problem.The intensity I of light varies inversely with the square of the distance D from the source. If the intensity of illumination on a screen 5 ft from a light is 2 foot-candles, find the intensity on a screen 15 ft from the light.
A. 
foot-candle
B. 
foot-candle
C. 1
foot-candles
D. 2 foot-candles