Evaluate the function at the given value of the independent variable and simplify.h(x) = 
;h(15)
A. 4
B. -26
C. -4
D. 26
Answer: A
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Solve the problem.The ellipse 
+ 
= 1 is shifted horizontally and vertically to obtain the ellipse
+ 
= 1.Find the center and vertices of the new ellipse.
A. Center: (-3, 4); Vertices: (-28, 4), (22, 4) B. Center: (4, -3); Vertices: (-28, 4), (22, 4) C. Center: (-3, 4); Vertices: (4, -28), (4, 22) D. Center: (4, -3); Vertices: (4, -28), (4, 22)
Solve by substitution and check.x + y = 9 y = 2x + 3
A. (7, 2) B. (2, 7) C. (3, 6) D. (1, 9)
Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the curves y = ± 
and the lines x = 1 and x = 9, with density ?(x) = 
A. 
= 3, 
= 0
B. 
= 2, 
= 0
C. 
= 5, 
= 0
D. 
= 4, 
= 0
Graph the level curves in the first octant at heights of 
and 
for the given equation.x2+ y2+ z2= 16
A. 
B. 
C. 
D. 