Question

Write the following sets in roster form :
(i) {x : x = 5n - 1, ne W and x < 40}
​

Answer 1

as n€W

when
n=0;x= -1.
n=1;x=4

n=2; x=9

n=3; x=14

n=4; x=19

n=5;x=24

n=6;x=29

n=7;x=34

n=8;x=39

so=> x={-1,4,9,14,19,24,29,34,39}

is your answer.

Hope it helps...

Regards,

Leukonov/Olegion.