Find the requested function value of ?.If sin ? = 
, find cos ?.
A. 
B. 
C. 
D. 
Answer: B
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Consider below the branching tree diagram based on the number per 3000 American adults. 
LetT = the set of Americans who like classical music R = the set of Republicans who like classical music D = the set of Democrats who like classical music I = the set of Independents who like classical musicDetermine whether the statement is true or false.Let M = the set of Republican men who like classical music W = the set of Republican women who like classical musicIf x ? W, then x ? R.
A. True B. False
Solve.The MetroCity tractor company is planning to produce a new tractor. For the first year, the fixed costs for setting up production are $400,000. The variable costs for producing each tractor are $15,000. The revenue for each tractor is $30,000. Find the total cost C(x) of producing x tractors.
A. C(x) = 15,000x B. C(x) = 400,000 + 15,000x C. C(x) = 400,000x + 15,000x D. C(x) = 30,000x + 400,000
Find the requested fraction.
= 
A. 
B. 
C. 
D. 
Find the inverse of the function.f(x) = 3x - 2
A. Not a one-to-one function
B. f-1(x) = 
+ 2
C. f-1(x) = 
D. f-1(x) = 