Evaluate the integral.
A. -ln
+ 
ln
- 3 tan-1(sin t) + C
B. -ln
+ 
ln
- 3 tan-1 t + C
C. -ln
+ 
ln
+ C
D. ln
- ln
- 5 tan-1(sin t) + C
Answer: A
Mathematics
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A. (y2 + 6)(y2 - 7) B. y(y2 + 6)(y - 7) C. y(y + 6)(y2 - 7) D. y(y - 6)(y2 - 7)
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Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
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A car purchased for $25,840 is expected to depreciate according to the formula 
where x represents years. How many years before the car will be worthless?
?
Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
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