Pl help needs to be done by 10:37 or I will fail pl help

The unit rate of change of yyy with respect to xxx is the amount yyy changes for a change of one unit in xxx.

The table below represents a proportional relationship with a constant unit rate of change of yyy with respect to x

Which describes a greater unit rate of change of yyy with respect to xxx, the equation y=4.5x, or the table?

X. 2. 4. 6.

Y. 9. 18. 27

A. the table

B. The equation

C. The unit rates are the same