Question

write in roster method
{x : x = 5n - 3,n ∈ W, and n < 3}

Answer 1

Answer:

Integers lie between −2 and 3 are −2,−1,0,1,2,3.

Given x=5n, putting n=−2,−1,0,1,2,3, we get

x=5×−2,5×−1,5×0,5×−1,5×2,5×3,

=−10,−5,0,5,10,15

Set = {−10,−5,0,5,10,15} (roaster form)