35. How many one-to-one functions are there from a set with five elements to sets with the following number of elements? a) 4 b) 5 e) 6 d) 7 52. Every student in a discrete mathematics class is either a computer science or a mathematics major or is a joint major in these two subjects. How many students are in the class if there are 38 computer science majors (including joint majors), 23 mathematics majors (including joint majors), and 7 joint majors