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Mathematics
Problem
If
U
=
{
1
,
2
,
3
,
…
,
12
}
U = \{1, 2, 3, \dots, 12\}
U
=
{
1
,
2
,
3
,
…
,
12
}
,
A
=
{
x
∣
2
x
+
3
≤
18
}
A = \{x | 2x + 3 \le 18\}
A
=
{
x
∣2
x
+
3
≤
18
}
and
B
=
{
x
∣
x
2
≤
40
}
B = \{x | x^2 \le 40\}
B
=
{
x
∣
x
2
≤
40
}
; a. write A and B in the roster form. b. following sets which are subsets of which.
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