Linear functions M and P are shown below. FUNCTION M
FUNCTION P

function m. function p
у. y=7x+9
y = 7x + 9
-2
-9
0
1
2
11
4
21
In comparing the rates of change, which statement about Function M and Function P
is true?
A
Their rates of change differ by 2.
B
Their rates of change differ by 4.
C
Function M has a greater rate of change than Function P.
D
Function M and Function P have the same rate of change.