Answer:
a.
D=[-6,4)
R=(-3,4]
b.
D=[-6,7)
R=[-1,6)
Explanation:
[,] <-- used for when the point is included in the answer (closed circle or greater than/less than or equal to sign)
(,) <-- used for when the answer does not include point (open circle or greater than/less than sign not equal to)
Plug in the points where shown on each line.
Hey again! Just answered your last domain and range question so I hope I helped again!