The sets
D
and
E
are defined as follows.
=D>z|z4
D={z|z74}
E={z|z<=7}
Write
∩DE
and
∪DE
using interval notation.
If the set is empty, write
∅
.
D
and
E
are defined as follows.
=D>z|z4
D={z|z74}
E={z|z<=7}
Write
∩DE
and
∪DE
using interval notation.
If the set is empty, write
∅
.