Find the requested function value of ?.If sin ? = 
, find sec ?.
A. 
B. 
C. 
D. 
Answer: D
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Evaluate the integral. 
Give your answer in exact form.
A. 
+ 
ln(7 + 4
)
B. 
+ 
ln 4
C. 
+ 
ln(2
)
D. 
+ 
ln(7 + 4
)
If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. 4x2 + 9y2 + 72x - 36y + 324 = 0
A. C: (-9, 2); V: (-9, 5), (-9, -1); F: (-9, 4.2), (-9, -0.2) B. C: (-9, 2); V: (-6, 2), (-12, 2); F: (-6.8, 2), (-11.2, 2) C. C: (-9, 2); V: (-7, 2), (-11, 2); F: (-5.4, 2), (-12.6, 2) D. C: (-9,2); V: (-9, 4), (-9, 0); F: (-9, 5.6), (-9, -1.6)
Establish the identity.
= 
What will be an ideal response?
Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the semicircle y = 
if the density of the wire is 
.
A. 
= 0, 
= 1
B. 
= 
, 
= 
C. 
= 0, 
= 
D. 
= 1, 
= 1