Find a formula for the inverse of the function described below.A size 8 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) =   + 16
C. f-1(x) = x - 16
D. f-1(x) =   - 16

Answer: D

Mathematics

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A. x2 + y2 + z2 - 6x = 40 B. x2 + y2 + z2 + 6x = 40 C. x2 + y2 + z2 - 6x = 7 D. x2 + y2 + z2 + 6x = 7

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Find the perimeter of the given figure.

A.  ft
B.  ft
C.  ft
D.  ft

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Simplify the exponential expression. 0

A. 1 B. 0 C. x5y3 D. -5x5y3

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Evaluate.(-1)13

A. -1 B. 13 C. -13 D. 1

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