Question

Which functions have a positive rate of change and which have a negative rate of change?




Column A


Column B












--- AB


1.


2x – 3y = 9









--- AB


2.


y = −4x + 5









--- AB


3.


x y
−1 −5
1 1
3 7











--- AB


4.


x y
1 −2
2 −6
3 −10






A.


positive


B.


negative