Answer:
D) greater than zero.
Explanation:
Here are the options to the question :
A) constant.
B) falling.
C) rising.
D) greater than zero.
Total utility is the total satisfaction derived from consuming a good or service.
Marginal utility is the change in total utility as a result of an increase in consumption
Marginal utility can either be increasing , decreasing or remain constant depending on the changes in total utility
If total utility is increasing, then marginal utility must be greater than zero
Please check the attached image for a table showing how marginal utility changes based on how total utility changes
