Solve the problem.Find the centroid of the region cut from the first quadrant by the line 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 1, 
= 
D. 
= 
, 
= 1
Answer: D
Mathematics
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Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y + x, C: x2 + y2 = 16 in the first quadrant from (4, 0) to (0, 4)
A. 0 B. 16 C. 32 D. 64
Mathematics
Solve the problem.Find an equation for the level curve of the function f(x, y) = 
dt that passes through the point 
.
A. y2 - x2 = 80 B. y2 - x2 = 48 C. y2 - x2 = -48 D. y2 + x2 = 80
Mathematics
Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
Mathematics
Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Mathematics