The marginal utility that an individual would experience if she were to consume the first unit of a digital app is 7

Question

​utils, and the marginal utility that she would experience if she were to consume a second unit is 12

utils. If one app is the amount that the individual decides to​ consume, what is the​ person's total​ utility?
Part 2
If one app is the amount that the individual decides to​ consume, her total utility is ---.

utils.

Answer 1

To find the total utility, we need to sum up the marginal utilities of all units consumed.

The first unit of the digital app provides a marginal utility of 7 utils.
If the individual decides to consume only one app, the total utility would be 7 utils.

Therefore, her total utility is 7 utils.