Find the indicated term for the geometric sequence.a1 = 10, r = 
; a7
A. 
B. 
C. 
D. 
Answer: C
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Express the product as a sum containing only sines or cosines.sin(6?) sin(2?)
A. sin2(12?2)
B. 
[sin(8?) + cos(4?)]
C. 
[cos(8?) - cos(4?)]
D. 
[ cos(4?) - cos(8?)]
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. 10(cos 75° + i sin 75°) B. 10(cos 50.9° + i sin 50.9°) C. 7(cos 50.9° + i sin 50.9°) D. 7(cos 75° + i sin 75°)
Factor completely, if possible.15z2 + 2z - 8
A. (3z - 2)(5z + 4) B. (15z - 2)(z + 4) C. (3z + 2)(5z - 4) D. Prime
Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies were initially introduced to the habitat?
A. 4 butterflies B. 90 butterflies C. 480 butterflies D. 2 butterflies