Use graphical methods to solve the linear programming problem.x + 2y ? 103x + y ? 10x ? 0y ? 0Minimize P = 2x + 4y 
A. Minimum of 20 when x = 2 and y = 4, as well as when x = 10 and y = 0, and all points in between
B. Minimum of 20 when x = 2 and y = 4
C. Minimum of 0 when x = 0 and y = 0
D. Minimum of 20 when x = 10 and y = 0
Answer: A
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Write the equation for the circle described.Center (4, 16), containing the origin
A. (x - 4)2 + (y - 16)2 = 16 B. (x - 16)2 + (y - 4)2 = 16 C. (x - 4)2 + (y - 16)2 = 272 D. (x - 16)2 + (y - 4)2 = 272
Find the perimeter of (distance around) the given figure by adding the lengths of the sides.
A. 8.702 in. B. 10.502 in. C. 7.226 in. D. 9.026 in.
Evaluate the expression without using a calculator, and write your answer in radians.
?
?
A. 0
B. 
C. 
D. 
E. 
Decide whether the equation defines y as a function of x.y = x2 + 5
A. function B. not a function