Question

Show that the set has cardinal number 0 by establishing a one-to-one correspondence between the set of counting numbers and the given set. Be sure to show the pairing of the general terms in the sets. {3, 7, 11, 15, ...}

A)https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/q12A.png

Answer 1

B.) https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/q12B.png

Answer 2

C. https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/q12C.png

Answer 3

D. https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/q12D.png

Answer 4

n-> 4 n -1

Answer 5

I subtract :( ?

Answer 6

I think its A.) But I'm not to good at math so I may be wrong.

Answer 7

So can someone help I still don't get it :(

Answer 8

f(n)= 4 n -1
f(1)= 4 -1 =3
f(2) =8 -1=7
f(3) =4(3) -1= 12 -1 =11
f(4) = 4(4)-1=16 -1 =15

Did you get it?

Answer 9

It is B.

Answer 10

OH I see how you did it okay. Thank you