Identify the type of surface represented by the given equation.
+ 
= 
A. Ellipsoid
B. Hyperbolic paraboloid
C. Paraboloid
D. Elliptical cone
Answer: D
Mathematics
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A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain. We measure his location as distance up from the base of the mountain. What can be said about the man's velocity when he is hiking up the mountain?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.
Mathematics
Find the product.(
+ 5)(
- 5)
A. -18
B. 2
C. 7 - 2
D. 32
Mathematics
Use a graphing utility to select the graph of the function
What will be an ideal response?
Mathematics
Write the improper fraction and mixed number represented by the shading.
A. 
; 1
B. 
; 1
C. 
; 1
D. 
; 1
Mathematics