Graph f by hand by first plotting points to determine the shape of the graph.f(x) = x - 3
A. 
B. 
C. 
D. 
Answer: A
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y
A. Domain: all points in the first quadrant of the xy-plane; range: real numbers z > 0; level curves: lines x + y = c B. Domain: all points in the first quadrant of the xy-plane; range: all real numbers; level curves: lines x + y = c C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the xy-plane; range: real numbers z > 0; level curves: lines x + y = c
Determine the center and the radius of the circle.16(x + 3)2 + 16(y - 3)2 = 49
A. (3, -3), r = 
B. (3, -3), r = 7
C. (-3, 3), r = 
D. (3, -3), r = 
Find the center and radius of the circle.x2 + y2 = 16
A. Center: (0, 0), radius: 16 B. Center: (1, 1), radius: 4 C. Center: (1, 1), radius: 16 D. Center: (0, 0), radius: 4
Provide an appropriate response.A linear programming problem has objective function 6x and constraints x ? a-x ? -bwhere a and b are positive numbers.Does a maximum exist for the objective function? If not, why not? Does a minimum exist? If not, why not?
A. Maximum and minimum both exist. B. Neither maximum nor minimum exist as the feasible set is the empty set. C. Maximum does not exist as the objective function may be arbitrarily large (unbounded). Minimum does exist. D. Maximum exists. Minimum does not exist as the objective function may be arbitrarily small (unbounded).