Write the expression in the standard form a + bi.5i5(1 + i3)
A. -5 + 5i
B. -5 - 5i
C. 5 - 5i
D. 5 + 5i
Answer: D
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Determine whether the improper integral converges or diverges.
A. Converges B. Diverges
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 5)2
A. 4x + 25
+ 25
B. 4x + 25
+ 22
C. 4x + 10
+ 22
D. 4x + 10
+ 25
Provide an appropriate response.Identify which of the following properties apply to the graph of 
I. The domain is all real numbers except integer multiples of ?. II. The range is [-1, 1] III. The equations of the vertical asymptotes are 
, where n is an odd integer. IV. The function obtains a relative maximum at x = 2n? where n is an integer.
A. I and II B. III and IV C. II and IV D. III only
Find the indicated roots. Write the answer in trigonometric form.Fifth roots of 243(cos 240° + i sin 240°)
A. 3(cos 48° + i sin 48°), 3(cos 138° + i sin 138°), 3(cos 228° + i sin 228°), 3(cos 318° + i sin 318°), 
B. 3(cos 48° + i sin 48°), 3(cos 120° + i sin 120°), 3(cos 192° + i sin 192°), 3(cos 264° + i sin 264°), 
C. 3(cos 240° + i sin 240°), 3(cos 330° + i sin 330°), 3(cos 420° + i sin 420°), 3(cos 510° + i sin 510°), 
D. 3(cos 240° + i sin 240°), 3(cos 312° + i sin 312°), 3(cos 384° + i sin 384°), 3(cos 456° + i sin 456°), 