Determine the standard equation of the ellipse using the given graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = t - sin t, y = 1 - cos t, -4? ? t ? 4?
A. 
B. 
C. 
D. 
Mathematics
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 9x3, y = 9x, for x ? 0
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Evaluate.8 ? 2 + 18 ÷ (8 - (3 + 2))
A. 24 B. 21 C. 22 D. 23
Mathematics
Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = 
, g(x) = x2
A. No, no B. No, yes C. Yes, yes D. Yes, no
Mathematics