1
0
e
None of these
Let f ( x ) = x-1/ x + 1, then f ( f ( x ) is _______
1/ x
- 1/x
1 / x + 1
1 / x -1
Which of the following functions is a ploynomial function ?
x2 -1/ x + 4 , x ≠ - 4
x4 + x3 + 3x2 - 7x + √2x2
2x2 + x 2/3 + 4
Let f: x → y be a function. Then if R ( f ) y,f is said to be ______.
Into function
Onto function
One - one function
-π
π
π/2
3/2
2/3
1/6
6
equals
2 √x
√ x
1/ √ x
1 / 2√x
3
1/2
2
1/3
The domain of th function where [x ] denotes the greatest integer less than or equal to x, is ______
(0, ∞ )
(-∞, 0)
( -∞, ∞ )
2 log e a
1/2 log e a
a loge 2
