1
3
4
2
If A = { 1,2 } and B = { 3,4 } then A * B =
{ ( 1,3 ), ( 2,4 ) }
{ ( 3,1 ), ( 4,2 ) }
{ ( 1,2 ), ( 3,4 ) }
{ ( 1,3 ), ( 1,4 ), ( 2,3 ), ( 2,4 ) }
A function f : x → y is called a _________ if its range is a singleton set.
Identity function
Polynomial function
Constant function
both (1) and (3)
If f(x) = x2 - x-2 , then f(1/x) is equal to _____.
f(x)
-f(x)
-1/f(x)
(f(x))2
Which one of the following is a bijective function on the set of real number?
2x - 5
[ x ]
x2
x2 + 1
If f(x) = 2x , then f(0), f(1), f(2), ..... are in _____.
Arithmetic Progression
Geometric Progression
Harmonic Progression
Arbitrary
2(f(2))
f(2)
-f(2)
1/2 f(2)
The range of is ___________.
-1
{ 1 }
{ -1 }
__________.
__________
