Graph the system of inequalities, and find the coordinates of the vertices.3y + x ? -6,y + 2x ? 8,y ? 0,x ? 0
A. 
B. 
C. 
D. 
Answer: A
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For the graph below, use the nearest neighbor algorithm to find an approximate minimum Hamilton circuit and its weight, starting at the indicated vertex.
Starting at A
A. A ? E ? B ? C ? D ? A; weight = 28 B. A ? C ? E ? B ? D ? A; weight = 29 C. A ? B ? C ? D ? E ? A; weight = 25 D. A ? D ? B ? C ? E ? A; weight = 27
Find the volume of the indicated region.the region that lies under the plane 
and above the square 
A. 40
B. 20
C. 200
D. 
The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Find the sum Sn of the first n terms of the geometric sequence. 
, - 
, 
, - 
, 
, . . . .; n = 10
A. - 
B. - 
C. - 
D. - 