Mathematics, 29.09.2019 03:30, ladypink94

Suppose that f : x → y is a function and that a is a σ-algebra of subsets of x. show that the following collection of subsets of y is also a σ-algebra: b : = {b ⊂ y : f −1 (b) ∈ a}

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:00, aceves5493

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Answers: 2

continue

Mathematics, 21.06.2019 20:30, lcy1086526Lisa1026

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

Answers: 1

continue

Mathematics, 22.06.2019 01:00, ryantrajean7

The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set

Answers: 2

continue

Mathematics, 22.06.2019 01:30, deshawnnash53

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?

Answers: 2

continue

Do you know the correct answer?

Suppose that f : x → y is a function and that a is a σ-algebra of subsets of x. show that the follo...