Solve the problem.A size 42 dress in Country C is size 9 in Country D. A function that converts dress sizes in Country C to those in Country D is 
Find the inverse of the function.
A. f-1(x) = 2(x + 12)
B. f-1(x) = x + 12
C. f-1(x) = 2(x - 12)
D. f-1(x) = 2x + 12
Answer: A
Mathematics
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? 
A. x2 - 9
B. 
C. 
D. 
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Establish the identity.cos 3x = cos3 x - 3 sin2 x cos x
What will be an ideal response?
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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-3, 0)
A. constant B. increasing C. decreasing
Mathematics
Perform the indicated operation and round as indicated.167.79 ÷ (-4) hundredths
A. -42.45 B. -41.95 C. -4.20 D. -4.25
Mathematics