Sketch a typical level surface for the function.f(x, y, z) = 6e10(y2 + z2)
A. 
B. 
C. 
D. 
Answer: C
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Find the ordered triple that belongs to the set.{x, 2x - 8, x - 4|x = 2}
A. (2, -4, -2) B. (-2, 2, -4) C. (-2, -4, 2) D. (2, -2, -4)
Solve.Elissa wants to set up a rectangular dog run in her backyard. She has 34 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A(x) = 19x2 - x B. A(x) = 18x - x2 C. A(x) = 17x - x2 D. A(x) = 16x - x2
Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.f(x) = x2 - 2x - 2
A. minimum; 
B. maximum; 
C. minimum; 
D. maximum; 
Graph the curve whose parametric equations are given.x = 4 tan t, y = 5 sec t; 0 ? t ? 2?
A. 
B. 
C. 
D. 