6. Suppose f is a function from a set with 3 elements to a set with...
If A is a set, then suppose that f is a one-to-one function from A to P(A), the power set of A and let B-{a є A l a ¢ f( three different functions from A to P(A) and construct the set B: a)j. For the following sets, give examples of at least (b) A= {1.2.3 } If A is a set, then suppose that f is a one-to-one function from A to P(A), the power set of A and...
1. Let A be the set {e, f, g, h} and B be the set {e, g, h}. a. Is A a subset of B? b. Is B a subset of A? c. What is A Ս B? d. What is A x B? e. What is the power set of B? 2. Determine whether these statements are true or false? a. ∅ ∈ {∅} b. {∅} ∈ {∅} c. {∅} ⊂ {∅, {∅}} d. ∅ ∈ {∅, {∅}} e....
6. Given a finite set A, denote IA] as a nurnber of elements in A. Let f : X → Y be a function with |XI, Yl< oo, i.e. X, Y are finite sets. Prove the following statements a) IXIS IYİ if f is injective. b) IY1S 1X1 if f is surjective. 6. Given a finite set A, denote IA] as a nurnber of elements in A. Let f : X → Y be a function with |XI, Yl
Need some explanation on these please and thank you so much! Suppose f(x) is an invertible differentiable function and f(4) 5, f(5) 3, f'(4) 3, f' (3)-4 Find (l) (5). b) -3 d) 3 e) 9-7 4 g none of the above The graph of f"(a) (the second derivative of f) is shown below. Where is fCx) concave up? -4-3-223 4 6 a) (-0o,-6) u (5,7) -3, 6) D(-6,5) U (7,00) g)none of these. Suppose f(x) is an invertible differentiable...
1.Suppose that the goop function from the previous question changes the value of z[1]. Does this change effect the value of the actual argument? A. Yes B. No 2.Here is a function declaration: void goo(int* x) { *x = 1; } Suppose that a is an int* variable pointing to some integer, and *a is equal to zero. What is printed if you print *a after the function call goo(a)? A. 0 B. 1 C. address of a D. address...
6. Let A and B be some finite sets with N elements. • Prove that any onto function : A B is an one-to-one function. • Prove that any one-to-one function /: A B is an onto function. • How many different one-to-one functions f: A+B are there?
Let X be a finite set and F a family of subsets of X such that every element of X appears in at least one subset in F. We say that a subset C of F is a set cover for X if X =U SEC S (that is, the union of the sets in C is X). The cardinality of a set cover C is the number of elements in C. (Note that an element of C is a...
Write a Python function cardinality() that takes in three Python set objects, representing sets of between 0 and 50 integers, AA, BB, and UU. Your function should return a single non-negative integer value for the cardinality of the set below. AA and BB are subsets (not necessarily proper) of the universal set UU. |P(A¯¯¯¯∩B)||P(A¯∩B)| Note 1: You can copy-paste the code declaring the various visible test cases below. We strongly encourage you to do this to test your code. Note...
1. Suppose N is a set with n elements and M is a set with m elements. a. If n <m, how many one-to-one functions are there from N to M? b. If n > m, how many onto functions are there from N to M?
k Determine whether the rule describe a function with the given domain and target. You must provide a specific counterexample if you determine it is not a function. (Note that the symbol squareroot refers to the principal or positive square squreroot .) f:R rightarrow R where f(x) = sqaurerootx f:Z rightarrow where f(n) = squaretrootn^2 + 1 For c, d and e below, consider the function: f: {0,1}^n rightarrowZ (i.e., f maps elements from the set of all bit strings...