Tuesday
October 21, 2014

Homework Help: math

Posted by david dare on Friday, December 17, 2010 at 1:46pm.

indicates required items

An operation * is defined by the relation x*y = 5x + 3y 4xy. Evaluate [2*(-1) ]

A. 15

B. 10

C. 8

D. -3
A
B
C
D


An operation * is defined by the relation x*y = 5x + 3y 4xy. Evaluate (3*2)*4

A. -15

B. 45

C. 48

D. 12
A
B
C
D


Consider the relation R = [(1,2),(2,5),(3,10),(4,17), (5,26). Find the range.

A.[5,26]

B . [1,2]

C. [4,24]

D. [3,10]
A
B
C
D


Consider the relation R = [(1,2),(2,5),(3,10),(4,17), (5,26). Find the inverse.

A. ](2,1),(5,2),(10,3),(17,4),(26,5)].

B. ](2,1),(2,5),(10,3),(4,17),(26,5)].

C. ](4,2),(5,2),(10,3),(17,4),(,526)].

D. [(1,2),(2,5),(3,10),(4,17), (5,26)]
A
B
C
D


Let Bi = [2i , i-1 ], where i is the element of the integer. Find (B2 U B4 )

A. [1,4,8]

B. [1,3,4,8]

C. [1,3,,8]

D. [3,4,8]
A
B
C
D


Let Bi = [2i , i-1 ], where I is the element of the integer. Find (B1 U B5 )

A. [2,4,10]

B. [0,2,4,]

C. [0,2,4,10]

D. [0,4,4,10]
A
B
C
D


Let Bi = [2i , i-1 ], where I is the element of the integer. Find (B1 B3 )

A. [0]

B. [1]

C. [2]

D. [3]
A
B
C
D


Suppose the ordered pairs are [(x + y), 1] and [3, (x-y)] are equal. Find the value of x

A. 2

B. 3

C. 4

D. 1
A
B
C
D

Write the dual of (BC)A = (BA)(CA) A. (BC)B B. (BC)A C. (BC)A D. (BUC)A A
B
C
D

(AB)(AB' ) is equal to the set A. A B. B C. (AB) D. (BB' ) A
B
C
D

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