Solve the linear programming problem.Minimize z = 21x + 18y + 11 subject to:x ? 0,
y ? 0,
x + y ? 1.
A. minimum: 11
B. minimum: 50
C. minimum: 29
D. minimum: 32
Answer: C
Mathematics
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Solve the problem.A restaurant offers a choice of 2 salads, 9 main courses, and 3 desserts. How many different choices of food are possible (including single items)?
A. 92 B. 105 C. 68 D. 119
Mathematics
Graph the system of inequalities.y > 4x ? -2
A. 
B. 
C. 
D. 
Mathematics
For the given functions f and g, find the requested function.f(x) = x - 1; g(x) = 5x2
Find (f - g)(x).
A. (f - g)(x) = -5x2 - x - 1 B. (f - g)(x) = 5x2 - x + 1 C. (f - g)(x) = 5x2 + x - 1 D. (f - g)(x) = -5x2 + x - 1
Mathematics
Use the discriminant to determine the number of real solutions of the equation.s2 + 3s + 2 = 0
A. No real solutions B. 2 C. 1
Mathematics