Please show all work if needed.
1.Let E be a set with |E| = 3. What is the cardinality of its power set? That is, find |P(E)|.
QUESTION 2
Find 15 modulo 6
Find the quoitent q and the remainder r when -25 is divided by 9.
Find |_-278.48_|.
Let A and B be sets with A ={1,2,3,7} and B = {a,q,x} with
f: A -> B, with
f(1)=q, f(2) =a , f(3) =q, f(7) =x.
Is f 1-1?
Let A and B be sets with A ={1,2,3,7} and B = {a,q,x} with
f: A -> B, with
f(1)=q, f(2) =a , f(3) =q, f(7) =x.
Is f onto? Answer yes or no but justify your answer .
question no 3
Solution
QUESTION 4
Arroy diagram explaination id given because elements are finite and it is easy to understand
If in second set there are 2 arroy for any element than function is many one not one one
Also mathematical defination is given
question 5 defination of onto function with respect to arrow diagram is given followed by question solution
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