Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
Objective Function: z = -x - 5yFind maximum.
A. maximum: -18
B. maximum: -22
C. maximum: -14
D. maximum: -27
Answer: C
Mathematics
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Solve the problem.Within a group of n people, the number of possible handshakes, N, is given by 
How many handshakes are possible at a meeting if 24 people are present?
A. 552 handshakes B. 276 handshakes C. 264 handshakes D. 300 handshakes
Mathematics
Solve the problem.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 3 years?
A. 2,654,591 B. 3,054,622 C. 2,870,384 D. 7,033,527
Mathematics
Solve the system of equations by the substitution method. Check your solutions.
A. 
B. 
C. 
D. 
Mathematics
Find the sum or difference.
+ 
A. 
B. 
C. 
D. 
Mathematics