1,6,7 are positive
2,9 are negative
3,4,5,8 are undefined
The answer is C) 7.
In function 1, there is no rate of change.
In function 2, there is a rate of change of 7.
This leaves 7 as the only possible answer.
I believe the answer is
A. (-1,-1)
B. (0,1)
C. (0,-1)
The answer is A, positive. As you can see all the dots are all moving upwards.
