Use the table of integrals or a computer or calculator with symbolic integration capabilities to find the integral. 
A. 
ln 
+ C
B. 5 sin-1 
+ C
C. 
tan-1 
+ C
D. 
ln 
+ C
Answer: D
Mathematics
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Find the potential function f for the field F.F = (y - z)i + (x + 2y - z)j - (x + y)k
A. f(x, y, z) = xy + y2 - xz - yz + C B. f(x, y, z) = xy + y2 - x - y + C C. f(x, y, z) = x(y + y2) - xz - yz + C D. f(x, y, z) = x + y2 - xz - yz + C
Mathematics
Find the sum.40.71 + 3.86 + 8.102 + 6.85
A. 59.532 B. 59.522 C. 59.622 D. 60.522
Mathematics
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 320 ft deep, during what interval can the flare be seen?(h = -16t2 + vot + ho.)
A. 12 < t < 13 B. 0 < t < 4 C. 4 < t < 5 D. 8 < t < 9
Mathematics
Solve the equation.9|x| = 243
A. ±10
B. 
C. ± 
D. -5
Mathematics