Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 1 - i, z2 = 1 - 
i
A. 
(cos 15° + i sin 15°)
B. 
(cos 75° + i sin 75°)
C. 
(cos 75° + i sin 75°)
D. 
(cos 15° + i sin 15°)
Answer: A
Mathematics
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Find the real solutions, if any, of the equation. Use the quadratic formula.5x2 + x - 7 = 0
A. 
B. 
C. 
D. no real solution
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Factor.5x2 - 34x + 24
A. (5x - 4)(x - 6) B. (5x - 18)(x - 6) C. (x - 4)(x - 6) D. (5x + 4)(x + 6)
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Determine whether the relations represent functions. Identify the domain and range of each relation. 
A. function domain:{18, 30, 42, 54} range: {3, 5, 7, 9} B. not a function C. function domain: {3, 5, 7, 9} range: {18, 30, 42, 54}
Mathematics