Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 200° + i sin 200°)w = 4(cos 50° + i sin 50°)Find 
.
A. 
(cos 150° + i sin 150°)
B. 
(cos 40° + i sin 40°)
C. 
(cos 150° + i sin 150°)
D. 
(cos 40° + i sin 40°)
Answer: C
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Write the mixed number as an improper fraction.19
A. 35
B. 16
C. 304
D. 
Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. How fast is the object moving when it is moving fastest?
A. A cm/sec
B. 
cm/sec
C. A
cm/sec
D. A
cm/sec
Write the first four terms of the sequence whose general term is given.an = 3n
A. 9, 27, 81, 243 B. 3, 9, 27, 81 C. 1, 3, 9, 27 D. 1, 8, 27, 64
Determine whether the following is the graph of a function.
A. Yes B. No