3. Suppose that X and Y are two sets and f: X → Y is a function. Prove each of the following: (i) If A and B are two subsets of X and A C B, then ƒ(A) C ƒ(B). (ii) If {Hala e A} is an indexed family of subsets of X, then f(UaEAHa) = Uae^ƒ (Ha). (iii) If {Gala e A} is an indexed family of subsets of Y, then f-¹ (naEAGα) = nae^ f-¹(G₁).

Q: -0.50 1.00 а) 0.60 -100 -0.50 b) 0.60 100 -1.00 -0.50 1.00 c) 0.60 -1.00 -0.50 1.00 d) 60 -1.00

A:

Q: Find 2x² +5x+1 -dr, x>0

A: Use the formulas below to evaluate the given integral.

Q: 200)** = 700

A: 20032x+2=700

Q: Solve. 3 =D2 518 4.

A: Given. A linear equation in X such that 3X/4 + 5/8 = 2

Q: 一副+一 Solve

A:

Q: Solve for x  5x - 7 = 8

A:

Q: Solve for A.

A: This means that the product of matrix A with another matrix given an identity matrix. Therefore the…

Q: Solve for x. 2x - 2, x +5

A:

Q: Solve. 3m-3= - 19+m

A:

Q: solve for A =  2 4 0 0     4 2 0 0 0 0 2 4 0 0 4 2

A:

Q: Solve for A. 3 REHB 8 “1881-

A:

Q: Solve.  1000(7x - 10) = 50 (412 + 100x)

A: Given- 10007x-10=50412+100x To Solve- The above expression.

Q: - 2 4 X-4 1- x

A:

Q: Solve.  3x2+5x-2=0

A:

Q: Solve a and b

A: Consider the given: When the cross section is square: Side of the square = 1−y13Area of the…

Q: Solve. х—7_х+3 х — 4 х+4

A: To solve x-7x-4=x+3x+4

Q: Solve for x 6=7+x-4

A: Solve for x 6 = 7+x-4

Q: Solve. x= x+3 6 x-3 7 = -8

A:

Q: 3. 3r+ Sy - 2: = 52 4r+ 7y +a= SI -2r- 9y + Sa--53

A:

Q: Solve for A. 5 -2 A 1 -2 A =

A: