Answer:
the last graph
Step-by-step explanation:
bcoz the curve touching -3 and 4 on x axis
x=-2
1.a 2 + 22s
1 b. -6a + 8
2a. 81r + 18
2b. 132+ 50p
3a. -36 - 4r
3b. 40 + -25m
4a. 6+16r
4b. -28z + 7
5a. 96y - 40
5b. -99u -72
6a. 77 - 63m
6b. -40 - 35p
7a. -72v + 6d
7b. -45b - 9c
