Answer:
The option D represents an interval with a positive average rate of change.
Explanation:
Let
, the average rate of change on the interval
is represented by the definition of the secant line:
(1)
Where:
,
- Lower and upper bounds, dimensionless.
,
- Function evaluated at lower and upper bounds, dimensionless.
Now we proceed to check each option:
A.
,



B.
,



C.
,



D.
.



The option D represents an interval with a positive average rate of change.