Question

Let R be a relation defined on N by R= {(a, b) : a , b Ɛ N , 2a + 3b = 20}. Then Find
A) R
B) Domain and range of R C) R -1 D) Domain and range of R -1

Answer 1

Answer:

a) {(1,6),(4,4),(7,2)}

Step-by-step explanation:

b) domain=1,4,7 and range 6,4,2

c) {(6,1),(4,4),(2,7)

d) domain 6,4,2 and range 1,4,7