Write the indicated event in set notation.The event that fewer than two men are selected as board members when three board members are selected at random from the following group: Allison, Betty, Charlie, Dave, and Emily. [The possible outcomes can be represented as follows.ABCABDABEACDACEADEBCDBCEBDECDE]

A.
B.
C.
D.


Answer: D

Mathematics

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Sketch a typical level surface for the function.f(x, y, z) = x - y2 - z2

A.

B.

C.

D.

Mathematics

The demand function for a certain brand of compact disc is given by ? ? where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the wholesale market price is set at $1/disc. Round your answer to the nearest dollar. ?

A. $26,988 B. $26,667 C. $26,454 D. $26,544

Mathematics

For the given expression, write two equal expressions with negative signs in different places.

A. -   and 
B. -   and - 
C. - -   and 
D.   and 

Mathematics

Solve the problem.Rationalize the numerator of  and simplify.

A.
B. 7( + x)
C.
D.

Mathematics