Answer:
D.
Step-by-step explanation:
Bceuase when you look at the points you can see that it goes in a steady rate of 3 (1,3) (2,6) (3,9)
4th one
it's letter DDDDDDDDD
See below.
X-intercepts: (-7, 0) & (-3, 0)
Axis of Symmetry: x = -5
Y-intercept: (0, -21)
Vertex: (-5, 4)
v
Step-by-stedcvp explanation: welcome to family fued
fvdvfdvvdvvvvvvvvvvv
