Answer the question.What complex number is the common cube root of -i and fourth root of 1?
A. 
B. 
C. -i
D. i
Answer: D
Mathematics
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Solve the problem.Where does the periodic function f(x) = 8esin(x/2) take on its extreme values?
A. x is an odd integer B. x = ±k?/8 where k is an even integer C. x = ±k? where k is an even integer D. x = ±k? where k is an odd integer
Mathematics
Plot the given polar coordinate point in the polar coordinate system.
A. 
B. 
C. 
D. 
Mathematics
Graph the function.y = 
A. 
B. 
C. 
D. 
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = 11(x - 4)2 + 9
A. (9, -4) B. (4, 9) C. (11, 4) D. (-4, 9)
Mathematics