SOLUTION: Could someone please help me understand & solve this problem. Let A={-3,-2,-1,0} Let B={0,1,2,3} Find A U B Thank you.

Algebra ->  Functions -> SOLUTION: Could someone please help me understand & solve this problem. Let A={-3,-2,-1,0} Let B={0,1,2,3} Find A U B Thank you.      Log On


   

Question 133019: Could someone please help me understand & solve this problem.
Let A={-3,-2,-1,0} Let B={0,1,2,3} Find A U B
Thank you.
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
U stands for Union. Union basically means "everything in A and everything in B". Any element that shows up more than once is only counted one time.
So A U B = {-3,-2,-1,0,1,2,3}