Introduce slack variables as necessary, and write the initial simplex tableau for the problem.Find x ? 0 and y ? 0 such that2x + y ? 273x + 5y ? 73and 4x + 2y is maximized. 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Perform the indicated operation. Simplify if possible.
+ 
A. - 
B. 
C. 
D. 
Mathematics
Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.The first marble is white and the second marble is blue.
A. 
B. 
C. 
D. 
Mathematics
Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = 2x4 - 5x3 + 10x2 - 20x + 8
A. f(x) = (2x + 1)(x + 2)(x + 2i)(x - 2i) B. f(x) = (2x - 1)(x - 2)(x + 2i)(x - 2i) C. f(x) = (2x + 1)(x + 2)(x + 2)(x - 2) D. f(x) = (2x - 1)(x - 2)(x + 2)(x - 2)
Mathematics
Use the given graph to determine the limit, if it exists.
f(x)
A. 2
B. 
C. -1
D. does not exist
Mathematics