Math 11 Chapter 2Sets, Functions and GroupsTest - 4

Math 11 Chapter 2
Sets, Functions and Groups
Test - 4

1. The two proper subsets of {a,b}

a) {a} , {b}
b) {b} , {b}
c) {a,b}
d) {a} , {a}

2. Which one is quadratic function?

a) {(x, y) | y = mx + c}
b) {(x, y) | y = ax2 + bx + c}
c) {(x, y) | y2 = mx +c
d) None

3. The two propositions P ® q and ~ (P ~q) are equivalant.

a) False
b) True

4. A statement which is always true is called _________.

a) Tautology.
b) Biconditional.
c) Absurdity.
d) Conditional.

5. Distributive law of intersection over union

a) A I(BUC) = (AU B) U (AI C)
b) A I(BUC) = (AI B) n (AI C)
c) A I(BUC) = (AI B) U (AI C)
d) AU(BUC) = (AI B) U (AI C)

6. If the statements p and q are true, then the statement p Ù~q is ______________.

a) T
b) both
c) F
d) None.

7. A statement which is true for all value of the variables involved in it is called__________.

a) Falselogies
b) Tautologies.
c) Bitologies

8. A ∩ Φ =…………………………………

a) /
A
b) None
c) Φ
d) A

9. If n(s) = m, then nP(s) =…………………..

a) 3 ^m
b) 2 ^m-1
c) 2^m
d) 2 ^m+1

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