Janice has set her camera for f/4, but is trying to decide if she should switch to f/8. if she switches, what will change?

"prior to 1910, these new artists were called neo-impressionists, and they believed that "modern paris" was the proper subject for their paintings."

this is the text provided by the program, disregard other answers, as they are confusing and based on loose knowledge of the subject.   : )