Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 35° + i sin 35°)w = 2(cos 40° + i sin 40°)Find zw.
A. 7(cos 50.9° + i sin 50.9°)
B. 7(cos 75° + i sin 75°)
C. 10(cos 50.9° + i sin 50.9°)
D. 10(cos 75° + i sin 75°)
Answer: D
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Use a spherical coordinate integral to find the volume of the given solid.the solid between the sphere 
and the hemisphere 
A. 457?
B. 
?
C. 
?
D. 
?
Provide an appropriate response.
Graph sin x, sin 
, and sin 
on the same graph. Compare the graphs. How are they alike and how are they different? Use a graphing calculator.
What will be an ideal response?
Solve the problem.The function that models the consumption of a certain medication over the years 2000-2010 is
where x is the number of years after 2000 and y is measured in grams per 100,000 people. Find the inverse of this function.
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
- 224.10
D. f-1(x) = 115.21(x - 224.10)
The general term of a sequence is given. Find the indicated partial sum.an = 5n - 2; S5
A. 55 B. 65 C. 85 D. 100