Determine whether F is conservative. If so, find a function f such that F = ?f.
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Use reduction formulas to evaluate the integral.
A. 2 sin 4x - 
cos3 4x + C
B. 2 sin 4x + 
sin3 4x + C
C. 8 sin 4x - 
sin3 4x + C
D. 2 sin 4x - 
sin3 4x + C
If the 14th term of an arithmetic sequence is 67 and the 9th term is 42, find the 40th term. ?
A. 195 B. 197 C. 200 D. 202 E. none of the above
Solve the equation.log (2 + x) - log (x - 2) = log 5
A. ?
B. - 3
C. 
D. 3
The function 
represents the value of the U.S. dollar in Indian rupees as a function of the time t in days. Find the average rates of change of 
over the time intervals
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, 
, 
, and 
days. Hence, estimate (using 
) the instantaneous rate of change of 
at time 
.
?
Select your answer rounded to the nearest whole number.
?
A. 63
B. 69
C. 64
D. 67
E. 68