Function A is represented by the equation y= 2x+1. Function B is a linear function that goes through the points shown in the table. X 1 3 4 6 3 11 15 23 Which statement correctly compares the rates of change of the two functions?

A. the rate of change of function a is 1
The rat of change of function b is 4

B. the rate of change of function a is 2
the rate of change of function b is 8

C. the rate of change of function a is 1
the rate of change of function b is 8

D. the rate of change of function a is 2
the rate of change of function b is 4
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