Find an equation for the ellipse. Graph the equation.Foci at (-1, 2), and (-5, 2); vertex at (-7, 2)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Evaluate the surface integral of G over the surface S.S is the dome z = 8 - 2x2 - 2y2 above z = 0; G(x, y, z) = 
A. 4? B. 128? C. 8? D. 128
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Write a signed number for the statement.$343 loss
A. -343 B. 343
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The function f is one-to-one. Find its inverse.f(x) = 6x2 - 8, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = 
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Use a right triangle to simplify.tan (arccos x)
A. 
B. 
C. 
D. 
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