3. Examine the tables below. One table represents a function, and one table does not. Determine which table represents a function. How do you know?
a.
X
2
4
6
8
10
12
14
-4
0
4
8
12
16
20
b.
X
2
2
6
8
10
12
12
у
-2
0
2
6
8
12
14

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36