What element of the domain associate with 9in the relation R ={(x,y

Maths

What element of the domain associate with 9in the relation R ={(x,y):y=2x+1}

Sajid Akram

March 19, 2018, 9:20 p.m.

Answers!

Davneet Singh

March 20, 2018, 1:37 p.m.

Hello Sajid

Put x = 9

y = 2(9) + 1

y = 18 + 1 = 19

So, x = 9, y = 19

So, (9, 19) is in the set

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