Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 44 in Country D. A function that converts dress sizes in Country C to those in Country D is  

A. f-1(x) = x + 38
B. f-1(x) = x - 38
C. f-1(x) = 
D. f-1(x) = 


Answer: B

Mathematics

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Simplify the complex fraction. ?  ?

A.
B. ?
C. ?
D. ?
E. ?

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Solve the problem.A water delivery truck with a cylindrical tank measuring 8 ft in diameter and  long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?

A. 402 people B. 804 people C. 201 people D. 1608 people

Mathematics

The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error . Round your answer, if appropriate.f(x) = x + x2, x0 = 4, dx = 0.02

A. 0.0008 B. 0.03608 C. 0.07216 D. 0.0004

Mathematics

Find the indicated term of the arithmetic sequence.Given an arithmetic sequence with d = 6 and a5 = 27, find a20.

A. 59 B. 117 C. 119 D. 54

Mathematics