​ Please help asap, tysm!

I'm pretty sure its all in order already. Like the first one is negative constand rate of change then the second one is positive varying rate of change, and of course the third one is negative varying rate of change and the last one is positive constant rate of change.

Hmmmm....is there a QUESTION associated with this......they are listed in the correct order....  (though SOME may consider losing 3 pounds/week as a POSITIVE thing! )

First one  ⇒  negative rate of change

Second one ⇒ positive rate of change

Third one ⇒ negative rate of change

Last one ⇒  positive rate of change