Identify the type of surface represented by the given equation.
+ 
- 
= 1
A. Ellipsoid
B. Elliptic cone
C. Hyperboloid of one sheet
D. Hyperboloid of two sheets
Answer: C
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Expand the quotient by partial fractions.
A. 
+ 
B. 
+ 
+ 
C. 
+ 
D. 
+ 
+ 
Determine the symmetries of the curve.r = 5 sin ? - 2 cos ?
A. No symmetry B. y-axis only C. x-axis only D. x-axis, y-axis, origin
Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = x2 - 3
A. x-intercepts (0, 
) and (0, -
); y-intercept (0,-3)
B. x-intercepts (
, 0) and (-
, 0); y-intercept (0,3)
C. x-intercepts (
, 0) and (-
, 0); y-intercept (0,-3)
D. x-intercepts (0, 
) and (0, -
); y-intercept (0,3)
Identify where f is increasing and where f is decreasing.f(x) = 4x - x2
A. increasing: (-?, 4]; decreasing [4, ?) B. increasing: [2, ?); decreasing (-?, 2] C. increasing: (-?, 2]; decreasing [2, ?) D. increasing: [4, ?); decreasing (-?, 4]