Question: PS1. A ( Sets, Relations and Functions) A.What is a set? B.Let A and B be subsets of a universal set U. Give the theoretical

PS1. A ( Sets, Relations and Functions)

A.What is a set?

B.Let A and B be subsets of a universal set U. Give the theoretical definition of the following:

1.Union of A and B

2.Intersection of A and B

3.A x B

C.What is a function?

D.What are the ways of writing a function?

PS1. A ( Sets, Relations and Functions)A.What is a set?B.Let A and

PROBLEM SET 1B 1. Given the graph below, find the following: O 2 1 -4 -3 -1 2 W 4 - 1 a. h(-1) = . b. lim h(@) =_ 84-1 c. lim h(@=_ X9-17 d. lim h(x) = _ 34-1 e. h(1) = f. lim h(@) = g. lim h(x) = __ x-1+ h. lim h(x) = X41 i. h (3) = _ j. lim h(@) = +E-X 2. Determine if the function is continuous or discontinuous at x = 0, why? r2 ,if xso h (x ) = 1x - 2 , if x>0

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