Carole compared function 1, y = 4x + 5, to function 2, a linear function that goes through the points shown in the table. xy
212
424
636
848

Which function has the greater rate of change, and what is its rate of change?

A.
Function 1 has the greater rate of change, and its rate of change is 4.

B.
Function 1 has the greater rate of change, and its rate of change is 6.

C.
Function 2 has the greater rate of change, and its rate of change is 4.

D.
Function 2 has the greater rate of change, and its rate of change is 6.