Give the coordinates of the vertex and sketch the graph of the equation.y = -x2 + 2x - 7 
A. (1, -6)
B. (1, -8)
C. (-1, 6)
D. (1, 6)
Answer: A
Mathematics
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At what points is the given function continuous?f(x, y, z) = 
A. All (x, y, z) such that x2 + y2 ? 25 B. All (x, y, z) C. All (x, y, z) such that x2 + y2 ? 5 D. All (x, y, z) such that x2 + y2 ? 0
Mathematics
Solve the problem.Evaluate
where R is the interior of the ellipsoid 
. Hint: Let 
and then convert to spherical coordinates.
A. 90?2 B. 120? C. 120?2 D. 90?
Mathematics
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates. 4x10; e0.6x
A. Comparable rates B. 4x10 C. e0.6x
Mathematics
Determine if the number is prime, composite, or neither.89
A. Composite B. Neither C. Prime
Mathematics