Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 28 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 - 22
C. f-1(x) = x + 22
D. f-1(x) = 


Answer: B

Mathematics

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Give an appropriate answer.How are the partial derivatives ?f/?x and ?f/?y of a function f(x,y) defined? How are they interpreted and calculated?

What will be an ideal response?

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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}.  (A ? B') ? (B ? A')

A. {u, w, z} B. {q, s, y} C. {q, s, u, w, y, z} D. {u, w, y, z}

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Solve the problem.Find the Hill-Huntington cutoff point for rounding up a modified quota of 12.885.

A. 13.491 B. 11.489 C. 12.490 D. 12.961

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Solve the problem.A city is growing at the rate of 0.8% annually. If there were 3,070,000 residents in the city in 1993, find how many (to the nearest ten-thousand) were living in that city in 2000. Use 

A. 8,290,000 residents B. 3,250,000 residents C. 460,000 residents D. 3,280,000 residents

Mathematics