Answer:
AUB would be the second one
Step-by-step explanation:
union means all the elements of the mentioned sets, combined. However it is mandatory that you don't repeat the elements even if they are written twice
Concave down
Y-intercept: (0,-3)
X-intercepts: (-1,0) (-3,0)
Vertex: (-2,1)
A
Answer z=2
See picture attached for the math
its B
