Find the indicated sum.
A. 2
B. 86
C. -86
D. 78
Answer: A
Mathematics
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Determine whether the line integral 
is positive, negative or zero.
A. positive B. negative C. zero
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Find the area of the specified region.Inside the smaller loop of the limacon r = 2 + 4 sin ?
A. 2(2? - 3
)
B. 
C. 2(3
- ?)
D. 4?
Mathematics
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 
Mathematics
Convert the equation to Cartesian coordinates.r = 5
A. x + y = 25 B. x + y = 5 C. x2 - y2 = 25 D. x2 + y2 = 25
Mathematics