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 xxx.
Which describes a greater unit rate of change of yyy with respect to xxx, the equation y=4.5xy=4.5xy, equals, 4, point, 5, x or the table?
xxx 222 444 666
yyy 999 181818 272727
Choose 1
Choose 1

(Choice A)
A
The table

(Choice B)
B
The equation

(Choice C)
C
The unit rates are the same.