Which of the following functions is most closely connected with the FDA? a. Regulating markets and preventing monopolies b. Enforcing truth in advertising c. Protecting the public from unsafe medicines and foods d. Using monetary policy to prevent inflation Please select the best answer from the choices provided A B C D.

1. avoid them

2. a talk with them

3. ask someone you trust

4. ignore

5. call police

answer; foreign exchange transaction;

answer///supply is elastic, and demand is inelastic;

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.