SOLUTION: Let A = {x | x < 5} and B = {x | x &#8804; 7}. Find A U B. {x | x < 5} {x | x &#8804; 5} {x | x &#8804; 7} {x | 5 < x &#8804; 7}

Algebra ->  Graphs -> SOLUTION: Let A = {x | x < 5} and B = {x | x &#8804; 7}. Find A U B. {x | x < 5} {x | x &#8804; 5} {x | x &#8804; 7} {x | 5 < x &#8804; 7}      Log On


   

Question 824112: Let A = {x | x < 5} and B = {x | x ≤ 7}.
Find A U B.

{x | x < 5}
{x | x ≤ 5}
{x | x ≤ 7}
{x | 5 < x ≤ 7}
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
{x | x < 5}
{x | x ≤ 5}
{x | x ≤ 7}
{x | 5 < x ≤ 7}

Because x is either less than 5 or less than (or equal to) 7. But that's really just the same as saying {x | x ≤ 7}