Determine whether or not the relationship shown in the table is a function.
Does the table define weight as a function of the day in January?
A. Yes
B. No
Answer: A
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Solve.Trader Tower stands at 1,595 feet high. Exchange Emporium is 892 feet tall. How much taller is Trader Tower than Exchange Emporium?
A. 2,487 ft B. 703 ft C. -703 ft D. -2,487 ft
Find the center, foci, and vertices of the ellipse.36(x - 3)2 + 9(y + 3)2 = 324
A. center at (3, -3)
foci at (3, -3 - 3
), (3, -3 + 3
)
vertices at (3, 3), (3, -9)
B. center at (-3, 3)
foci at (-3, 3 - 3
), (-3, 3 + 3
)
vertices at (-3, 3), (-3, -9)
C. center at (4, -3)
foci at (4, -3 - 3
), (4, -3 + 3
)
vertices at (4, 3), (4, -9)
D. center at (-3, -3)
foci at (-3, -3 - 3
), (-3, -3 + 3
)
vertices at (-3, 3), (-3, -9)
Use the square root property to solve the quadratic equation.y2 = 21
A. 
B. ±
C. 441
D. 
Use a 3D grapher to graph the function. Then estimate any relative extrema.f(x, y) = 
+ 
A. Relative maximum = 100, relative minimum = 0.01 B. Relative minimum = 0 C. Relative maximum = 2 D. No relative extrema