Decide whether the figure is convex or concave.
A. Concave
B. Convex
Answer: B
Mathematics
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Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Mathematics
Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. 4x2 + 16x - 16y2 + 32y - 64 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(1, 3)
A. constant B. decreasing C. increasing
Mathematics
Simplify the radical. Indicate if the radical is not a real number. Assume that x represents a positive real number.
A. 22 B. 242 C. -22 D. Not a real number
Mathematics