Someone please help me understand this question. Its timed and Im really confused and cant afford to miss questions.

B For each x increase of 1, the y increases by a common factor of 3

Step-by-step explanation:

so it means that y is adding 3 every time x adds 1

D

The last one explanation of that graphic line is correct answer.

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.