Question

Let A = (1,2,3) and B= {2,4,5) and defines a relation R from A too B as follows:

For all (xy) elementAxB, (xy) element of R means that (x+y/2) is an integer.

a. Write the ordered pair of R.

b. Write the domain and co-domain for R.

c. Is R a function? Why?​

Answer 1

Answer:

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Answer 2

Answer:

A={1,2,3,5} and B={4,6,9}

R={(x,y): the difference between x and y is odd x∈A,y∈B}

∴R={(1,4),(1,6),(2,9),(3,4),(3,6),(5,4),(5,6)}

Step-by-step explanation: