Match the given equation with one of the graphs.x2 - y2 = 121
A. 
B. 
C. 
D. 
Answer: C
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Perform the indicated operations. Leave the result in polar form.[3(cos 40° + j sin 40°)]4
A. 81(cos 404° + j sin 404°) B. 7(cos 160° + j sin 160°) C. 12(cos 160° + j sin 160°) D. 81(cos 160° + j sin 160°)
Find the nth term of the arithmetic sequence with the given values.a1 = -1, d = 
, n = 36
A. 14
B. 
C. - 
D. - 16
Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.
A. 
B. y2 - 4
C. 
D. 4y2
Use graphical methods to solve the linear programming problem.Minimize z = 4x + 5y subject to: 2x - 4y ? 10 2x + y ? 15 x ? 0 y ? 0
A. Minimum of 33 when x = 7 and y = 1 B. Minimum of 39 when x = 1 and y = 7 C. Minimum of 20 when x = 5 and y = 0 D. Minimum of 75 when x = 0 and y = 15