Choose the graph of the equation.z = x4 - 2x2 + y2 - 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.The system of equations 
= (-5 + 6y)x and 
= (-5 + x)y describes the growth rates of two symbiotic (dependent) species of animals (such as the rhinoceros and a type of bird which eats insects from its back). Find the equilibrium points.
A. (x, y) = 
B. (x, y) = (0, 0) and (x, y) = 
C. (x, y) = (0, 0) and (x, y) = 
D. (x, y) = (0, 0) and (x, y) = 
Perform the addition or subtraction and give your answer in Hindu-Arabic form.
A. 55,601 B. 55,591 C. 56,591 D. 55,501
For the given question, determine whether an Euler circuit, a Hamilton circuit, or neither would solve the problem.The vertices of a graph represent food vendors at a local International festival and the edges represent paths between the food stands. A visitor wants to visit each food stand exactly once, returning to his starting point when he is done.
A. Hamilton B. Neither C. Euler
Find the total amount due on the simple interest loan. Round your answer to the nearest cent.Principal = $1040Rate = 14%Time in months = 8
A. $1137.07 B. $1058.20 C. $14,684.84 D. $114,747.00