Question

Write the following sets in the roster/tabular form:
a. G = {x : x ∈ N, 5 < x < 12}
b. H = {x : x is a multiple of 3 and x < 21}
c. I = {x : x is perfect cube 27 < x < 216}
d. J = {x : x = 5n - 3,n ∈ W, and n < 3}

Answer 1

a) $\{6,7,8,9,10,11\}$

b)$\{3,6,9,12,15,18\}$

c) $\{64,125\}$

d) $\{-3, 2,7\}$