let s be a set of n numbers. let x be the set of all subsets of s of size k, and let y be the set of all ordered k-tuples (s1, s2, , sk) such that s1 < s2 < < sk. that is, x = {{s1, s2, , sk} | si is in s and all si's are distinct}, and y = {(s1, s2, , sk) | si is in s and s1 < s2 < < sk}. (a) define a one-to-one correspondence f : x → y. explain why f is one-to-one and onto.
(b) determine |x| and |y|.
|x| =
|y| =
can someone answer part b of this question. the answer available is incorrect and unclear.

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

mark this brainliest and i will be glad to .

47.28 or 47.2857143

step-by-step explanation:

you just divide 331 by 7 and you get that answer. ( i think so tho)

my guess would be b and d, but i didn’t actually get out the pen and paper. lol

im not sure of the names, but the answer is 48