Integrate the function.
dx
A. 
cot4 x sec x + C
B. - 
cot2 x - 
ln 
+ C
C. 
cot2 x + ln 
+ C
D. 
cot4 x + C
Answer: B
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Solve. If an object is propelled upward from a height of 48 feet at an initial velocity of 80 feet per second, then its height, in feet, after t seconds is given by the equation 
After how many seconds will the object reach a height of 148 feet?
A. 5 sec B. 1.3 sec C. 2.5 sec D. 10 sec
Perform the indicated operation. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Convert to an exponential equation.log5 
= -3
A. 5-3 = 
B. 51/125 = 3
C. 35 = 
D. 
3 = 5