Recent content by Learning_Math

That was helpful, thank you grief.

1. R on the set (the reals) defined by xRy iff (x < 0) or (x > or equal to 0 and x = y) 2. None 3. Reflexive - Yes, since no matter what x I choose, x will always be equal to x, and will therefore fit the conditions of the relation. Symmetric - It is symmetric because if I...

You were pretty clear. I am just at the very end of my proof writing class, and it has me pretty jumpy. Thanks for your help.

Okay, so am I correct in what to do with reflexivity in this question? It is obviously absurd that x can be the parent of x. Where I am unclear is if that is the question I need to be asking vis-a-vis reflexivity.

1. The question is: P on the set, A, of all people, where xPy means x is a parent of y. Homework Equations - None 3. Attempts at a Solution Here is where I am confused. Reflexivity is defined by aRa. So I am unclear what to do with more than one variable. So in this question, do I...

Thanks for that setup. I will remember it for future use. I have also been completely overlooking that (3x+2)/(x+3) is undefined when x = -3. So that is how I get (-inf. -3)U(-3, -11/6) instead of just (-inf. -11/6).

1. I need to find the solution set for |(3x+2)/(x+3)|>3. 3. When I solve the inequality (3x+2)/(x+3)>3, I get 2>9 which is clearly false. When I solve the inequality (3x+2)/(x+3)> -3, I come with the solution set (-inf. -11/6). My teacher is saying that there the solutotion set is (-inf...