Question

If x1

Answer 1

x<y<0 means x and y are negative numbers correct?

Answer 2

I suppose I do better using actual numbers to reason this one out

Answer 3

I sub all three
case A: -1<1
case B: -6<-2
case C: 2>1
I pick all three cases

Answer 4

is my thinking or approach incorrect?

Answer 5

Yes.

Answer 6

But That is Plug. In.

Did you get the logic why it is happening?
Why all three are right?

Answer 7

@precal ?

Answer 8

because x<y<0 is the given condition

Answer 9

Yeah!
But you UNDERSTOOD why -> x+1<y+2
has to be right, right? :D

Answer 10

Well, Yeah! I think you got it!
And your approach was right. :D