The sets
d
and
a
are given below.
=d, 1, 67
=a, −1, 2, 3, 48
find the union of
d
and
a
.
find the intersection of
d
and
a
.
write your answers using set notation.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.

1. minimum

2. 6400

3. eight

hope this !