Which of the following would a person who believed in the doctrine of laissez faire disapprove of?

I believe the answer is: Government funding of education

doctrine of laissez faire is the doctrine that aimed to create policies with minimum government involvement in society.

People who held this doctrine would most likely disprove all policies that require the people to pay higher tax money for the government, including things such as government funding of education, government intervention in imposing tariff/quota, government intervention in creating price floor, etc.