Use graphical methods to solve the linear programming problem.Maximize z = 8x + 12y subject to: 40x + 80y ? 560 6x + 8y ? 72 x ? 0 y ? 0
A. Maximum of 100 when x = 8 and y = 3
B. Maximum of 92 when x = 4 and y = 5
C. Maximum of 120 when x = 3 and y = 8
D. Maximum of 96 when x = 9 and y = 2
Answer: A
Mathematics
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Answer each question appropriately.How many curves y = f(x) have the following properties? i. 
= 8x ii. The graph passes through the point (0,3) and has a horizontal tangent at that point.
A. 1 B. Infinitely many C. 0 D. 2
Mathematics
Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Mathematics
Multiply.0.0048 × 0.96
A. 0.0004608 B. 0.04608 C. 0.004608 D. 0.00004608
Mathematics
Calculate the simple interest.$57,800 at 5% APR for 7 yr.
A. $1651.43 B. $2023.00 C. $20,230.00 D. $41,285.71
Mathematics