Find a formula for the inverse of the function described below.A size-12 dress in Country C is size 48 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = x - 36
C. f-1(x) = x + 36
D. f-1(x) = 
Answer: B
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A = 45ø, B = 60ø, and c = 12. Using the Law of Sines, find C and side a.
a. a = 5.36 C = 60ø b. a = 8.78 C = 75ø c. a = 5.36 C = 75ø d. a = 5.36 C = 85ø e. a = 7.32 C = 70ø
Write the inequalities that describe the constraints on production.The Pen-Ink Company manufactures two ballpoint pens: silver and gold. The silver requires 7 minutes in a grinder and 12 minutes in a bonder. The gold requires 7 minutes in a grinder and 9 minutes in a bonder. The grinder can be run no more than 610 minutes per day and the bonder no more than 230 minutes per day. Let x represent the silver pens and let y represent the gold pens.
A. 7x + 7y ? 610, 12x + 9y ? 230, 
, 
B. 7x + 12y ? 610, 7x + 9y ? 230, 
, 
C. 0 ? 19x + 16y ? 840, 
, 
D. x + y ? 610, x + y ? 230, x + y ? 840, 
, 
Solve the equation.
+ 3 = 6
A. {10} B. {10, 4} C. {-10, -4} D. ?
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 40° + i sin 40°)
B. 
(cos 40° + i sin 40°)
C. 
(cos 150° + i sin 150°)
D. 
(cos 150° + i sin 150°)