The initial tableau of a linear programming problem is given. Use the simplex method to solve the problem. 
A. Maximum at 25 for x2 = 3, s1 = 2
B. Maximum at 3 for x2 = 6, s1 = 2, s2 = 8
C. Maximum at 15 for x2 = 3, s1 = 2, s3 = 8
D. Maximum at 20 for x2 = 3, s3 = 8
Answer: C
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Use two equations in two variables to find the following integers.The sum of two integers is 40 and their difference is 18.
A. 10, 30 B. 9, 27 C. 11, 27 D. 11, 29 E. 9, 30
Two measurements are given. Find the absolute difference and then find the relative difference as a percentage. Assume that the first quantity is the compared value and the second quantity is the reference value. Round answers to the nearest tenth if necessary.In the college there are 1310 male students and 1150 female students.
A. Absolute difference: 160 Relative difference: 12.2% B. Absolute difference: -160 Relative difference: -12.2% C. Absolute difference: 160 Relative difference: 1.4% D. Absolute difference: 160 Relative difference: 13.9%
Multiply or divide and write scientific notation for the result.(19.36 × 104) ÷ (4 × 109)
A. 4.84 × 10-5 B. 4.84 × 1013 C. 9.68 × 1013 D. 9.68 × 10-5
Find the relative extrema of the function, if they exist.s(x) = -x2 - 4x + 60
A. Relative minimum at (4, 60) B. Relative maximum at (-2, 64) C. Relative maximum at (2, 64) D. Relative maximum at (-4, 60)