Answer:
Option B : 1/2 is the correct answer.
Explanation:
Given ordered pairs are;
(3, 6) and (5, 7).
We have to find the rate of change which is also known as slope.
Slope is the steepness of a line.
The formula of slope is given by;
m =

m =

m =

Hence,
Option B : 1/2 is the correct answer.