Which of the following functions are quadratics?
1,2,3,4,5?

Ineed . the passage suggests that a person is more likely to laugh at a movie: a. when he or she is one of a few people in the audience b. when there are many others laughing at the movie too c. after he or she has seen the movie several times d. if he or she is watching it at home on a videocassette recorder