Define a function S: Z+ → Z+ as follows: For each positive integer n, S(n) = the sum of the positive divisors of n. Find the following: c. S(17) f. S(21) b. S(15) a. S(1) d. S(5) e. S(18)
Define a function S: Z+ → Z+ as follows: For each positive integer n, S(n) = the sum of the positive divisors of n. Find the following: c. S(17) f. S(21) b. S(15) a. S(1) d. S(5) e. S(18)
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.1: Functions
Problem 5E: A Function f is a rule that assigns to each element x in a set A exactly ________ element(s) called...
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