Question

B={7,8,9,10,11,12,13,14}
Express each set in set builder notation.please help I don't understand these :(

Answer 1

looks like integers between 7 and 14

Answer 2

you could say
\[\{x\in \mathbb{Z}| 7\leq x\leq 14\}\]

Answer 3

x belong to R i guess

Answer 4

where did you get R from?

Answer 5

{ x member of reals | x ≥ 7 and x ≤ 14

Answer 6

\[x \ge7 \le14\]

Answer 7

There are an infinite amount of real numbers between 7 and 14, I would suggest what @satellite73 said.