Which of these is a banking activity of the Fed?

printing money

regulating securities markets

storing money for banks

funding government programs

"storing money for banks"

Explanation:

The Federal Reserve System, is the central bank of the United States. It is a public / private consortium that controls the organizational structure in which a government agency, known as the Board of Governors, based in Washington DC participates. Thus, some consider this as the public aspect of the system and the 12 Reserve Banks of all the country, the private aspect. It is in charge of guarding part of the reserves of the "member banks" of the United States: the federal ones, and the associated state voluntarily.

Storing Money for Banks

Explanation:

The U. S. Government uses something's they call "Tax accounts" as a reserve of money because the transactions go through the banks anyways, so this money is stored there. This is one activity of the Federal Governments when it come to banking.