If f(x) = 2x , then f(0), f(1), f(2), ..... are in _____.
Arithmetic Progression
Geometric Progression
Harmonic Progression
Arbitrary
The domain of the function f = { ( 1,3 ), ( 3,5 ), ( 2,6 ) } is ________.
1, 3 and 2
{ 1, 3, 2 }
{ 3, 5, 6 }
3, 5 and 6
If (a,2) = (3,b) then a = _____ and b = ______.
3,2
2,3
5,2
3,5
The range of is ___________.
1
-1
{ 1 }
{ -1 }
If f(x) = x2 - x-2 , then f(1/x) is equal to _____.
f(x)
-f(x)
-1/f(x)
(f(x))2
If a set A contains 5 elements and B contains 4 elements, then the number of elements in A * B is ________.
9
20
5
4
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 ) }
Which one of the following is a bijective function on the set of real number?
2x - 5
[ x ]
x2
x2 + 1
3
2
2(f(2))
f(2)
-f(2)
1/2 f(2)
