Answer:
A = increasing ( positive slope )
D = increasing ( positive slope )
C = decreasing ( negative slope )
B = constant ( zero slope )
Step-by-step explanation:
If number on y-axis increases with increase of x then it is increasing.
If number on y-axis decreases with increase of x then it is decreasing.
If number on y-axis stays the same with increase of x then it is constant.
