Integrate the given expression.
dx
A. x + 7C
B. -21x + C
C. 7x3 + C
D. - 
+ C
Answer: D
Mathematics
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Find the length of the curve.The spiral r = 4?2, 0 ? ? ? 2
A. 
((?2 + 1)3/2 - 1)
B. 
?5
C. 
D. 
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
Give the appropriate form of the partial fraction decomposition.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Provide an appropriate response.Simplify: 
? 
Fill in the blank(s) with the appropriate word(s).
Mathematics