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.
3
y 1 9 13 21
Which statement correctly compares the rates of change of the two
functions?
A. The rate of change of function A is
-2.
The rate of change of function B is 8.
B. The rate of change of function A is 1.
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 4.
D. The rate of change of function A is
-2.
The rate of change of function B is 4.