Find the derivative.s = t3 tan t - 
A. 
= t3 sec2 t + 3t2 tan t - 
B. 
= t3 sec t tan t + 3t2 tan t - 
C. 
= - t3 sec2 t + 3t2 tan t + 
D. 
= 3t2 sec2 t - 
Answer: A
Mathematics
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Evaluate the integral.
A. 3 ln
- 
+ C
B. 3 ln
- 
+ C
C. 4 ln
- 
+ C
D. 3 ln
+ 
+ C
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Find the length of the curve.x = 3 sin t - 3t cos t, y = 3cos t + 3t sin t, 0 ? t ? 
A. 
?2
B. 
?
C. 
?2
D. 
?2
Mathematics
Evaluate the function.The graph of y = f(x) is shown below. Find f(7)
A. 7 B. -2 C. 5 D. -5
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
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