(5 pts each) Give example of an explicit function f in each of the following category...
(5 pts) Give an example of a relation on a set that is a) both symmetric and antisymmetric. b) neither symmetric nor antisymmetric. (3 pts each) For each of the following find an indexed collection {An}nen of distinct sets (no two sets are equal) such that (a) n =1 An = {0} (b) Um_1 An = [0, 1] (c) n =1 An = {-1,0,1} (5 pts each) Give example of an explicit function f in each of the following category...
(3 pts each) For each of the following find an indexed collection {An}nen of distinct sets (no two sets are equal) such that (a) n=1 An = {0} (b) Un=1 An = [0, 1] (c) n=1 An = {-1,0,1} (5 pts each) Give example of an explicit function f in each of the following category with properly written domain D and range R such that (a) There exists a subset S of D with f-'[F(S)] + S (b) There exists...
(2 pts each) Find a different equivalent form of the statements. Justify your answers using Laws of equivalence or otherwise. (a) Not all men are Scientists. (b) If you are a computer science major you will need discrete mathematics. (10 pts) How many bit strings (the strings consist of only O's and l’s) of length 10 does not start with a zero but ends with two ones. = 5an-1-6an-2 with ao 1, ai (10 pts) Find a solution to an...
2. (24 pts) True/False. Circle T or F. No explanation needed. (a) T F If Ris the relation whose digraph is below, then Ris reflexive. (b) T F For the relation from part (a), R is symmetric (C) T F The relation Son {a,B,y,g} whose matrix is 100.1 - 0 1 0 0 0 0 1 0 1001 is an equivalence relation. (d) T F The relation S from part (C) is a partial order. (e) T F Let the...
how do u do 6? F-'(C-D)= F-'(C)-F-'(D). 4. (10 points) In following questions a function f is defined on a set of real numbers. Determine whether or not f is one-to-one and justify your answers. (a) f(x) = **!, for all real numbers x #0 (6) f(x) = x, for all real numbers x (c) f(x) = 3x=!, for all real numbers x 70 (d) f(x) = **, for all real numbers x 1 (e) f(x) = for all real...
Question 13 5 pts Which of the following is true for a function f : A + B that is surjective (onto)? a. Rng(f) = B b.every element of B has a pre-image (in A) c. for every y e B, there exists 2 € A such that y = f(x) d. all of the above оа Ob OC d
A continuous probability density function is a non-negative continuous function f with integral over its entire domain D R" equal to unity. The domain D may have any number n of dimensions. Thus Jpfdzi..d 1. The mean, also called expectation, of a function q is denoted by or E(a) and defined by J.pla f)dy...dr The same function f may also represent a density of matter or a density of electrical charges. Definition 1 The Bivariate Cauchy Probability Density Function f...
5. [2 pts] Consider a function f: Z → Z and f(x) = x'. Answer the following questions. a. Is f(x) invertible? Justify your answer. b. Suppose that the domain and codomain change to real number, thus f:R → R. Then is f(x) invertible? Justify your answer.
X-2 3 of 9 5.(12 pts) let f(x) = ******. Graph the function and use it to find lim f(x) and lim f(x). Does lim f(x) exist? Find domain and range of f(x). 2 that are to the line - 4x + y = 5.
Question 1 1. [5 pts] Give a complete definition of lim f(x) = -oo if... 2. [25 pts] Give an example of each of the following, or state one or more theorems which show that such an example is impossible: a. A countable collection of nonempty closed proper subsets of R whose union is open. b. A nonempty bounded subset of R with no cluster points. c. A convergent sequence with two convergent subsequences with distinct limits. d. A function...