Let A = {a, b, c, d} and C = {a, e} Find n(A X C)
Let A = {a, b, c, d} and C = {a, e} Find n(A X C)
Let U= (a, b, c, d, e, f, 1, 2, 3) and E= (a, b, 2, 3) Find E' ( read as "E prime")
Let D = { j, k, l, m, n, o, p } Find the number of proper subsets for D.
In how many ways can you select 4 different shirts out of 10 to take with you on a trip? Order of selection doesn’t matter – use formula for Combination. Here is my work - 10P4=10...
x,y∈N and f(1)=4
List the elements of the following sets: Let Universal set={a,b,c,d,e,f,g,h,i,j}, V={a,e,i,f,h}, and W={a,c,e,g,i}. List the members of the following sets. V ∪ W V...
A. List the elements of each of the following (roster method). Use '...' notation for infinite sets B = {x : x is an integer -3 < x < 4} B = {x : x is a positive integer and multiple...
Hello, I just want to know what is the power set of it. I'm quite confused esp. with null sets. I don't know if they are an element or a set. Please answer. I would really really appreciate it.
I am still confused about null sets. I'm pretty sure that {} is equivalent to 0 with a / on it. Please help me. I don't want to fail math. :(
Let A={{x}},B={x,{x}},C={x,{x,{x,}}} 1) {} subset B 2) B proper subset C 3) A element B 4) x element A 5) B element C 6) A subset B I really thought all...
Why is that the elements/answer of set A is {1/3, -2} from the notation {x:(3x-1)(x+2)=0 Please explain AND What is the cardinality of A = {}? Should...
Let X = {0,1,2} 1. C = {z:z = 2x and x element X} 2. C = {z:z = x + y where x element X and y element X} 3. C = {z:z element X and -z element X}
In a survey, 110 freshmen of San Pedro were asked on their preferred network SIM. The result was: 66 used Smart 49 used Globe 26 used Sun Cellular 28 used Smart and Globe 12 used Globe...
Frenchy Fries has added two new ways to enjoy their best-selling Jolly Crispy Fries. The choices now would be Sour Cream Fries, Cheezy Fries, and Classic Fries. A month after its launch, a survey...
Please justify.
Let A = {{x}}, B = {x,{x}}, C = {x,{x,{x}}}. i. {} subset B ii. B proper subset C iii. A element B iv. x element A v. B element C vi. A subset B I...
Let U be the set of counting numbers between 11 and 20, inclusive. A = {x element U : x is divisible by 2} B = {11,12,13,14,15} C = {x element U : x is odd} Find (i)...
A. List the elements of each of the following (roster method). Use '...' notation for infinite sets Let X = {0,1,2} B = {z : z = 2x and x element X} B = {z : z = x + y where x element...
a. {x|x greater than or equal to -5} intersect {x|x less than or equal to 5} b. {x|x > 2} union {x|x > 10} c. {x|x < 3 or x > 6} d. The set of real numbers greater than or...
Let U={x|x is a letter in the English alphabet} A = {x|x is a distinct letter in the word "college"} B = {x|x is a distinct letter in the word "humanities"} C = {x...