Denial

1. Let f : Z to Z and g : Z to Z be functions de fined by f (x) = 3x + 1 and g(x) = [x/2] . (a) Is fog one-to-one? Prove your answer. (b) Is fog onto? Prove your answer. (c) Is gof one-to-one? Prove your answer. (d) Is gof onto? Prove your answer.

writ a program that ask a user to inter three integer number and type them to the screen and also print them in different lines .the out put should look like this one . enter a three integer number:123 1 2 3

Fred, Burt, Conrad, Otto, and Hugh run a race. All the runners can be taken to have the same level of ability, so it may be assumed that all of the possible orderings of the five runners are equally likely. Express your answers to the questions to two dec...

this is how i start then i couldn't figure out the rest.. public class Digits2 { public static void main(String[] args) { System.out.println("enter a three digit number ");

okay i used this function to print the out Scanner in = new Scanner(System.in); int num = in.nextInt(); but i don't know how to print each number in one line like this 1 2 3

T=(vf-vi)/a= (0-30)m/s/(-4.0)m/s then T=7.5s ...it is as simple as that.

h=0 but i don't know how to solve those kind of limits.