Sin -1 ( cos x ); 0 ≤ x < 1, is equal to
x - π
x - π/2
π/2 -x
π - x
Let f: x → y be a function. Then if R ( f ) y,f is said to be ______.
Into function
Onto function
One - one function
None of these
Domain √(x-1) + √(8 - x) is _______.
[1, 8)
( -8,8)
(1,8 ]
[ 1, 8 ]
3/2
2/3
1/6
6
Ltx → 2+ [x] is equal to ________.
1
0
2
-1
_________.
∞
Let X and Y be two sets having n elements each. Then the total number of bijective functions from X to Y is _______.
n
2n
n2
n !
3
8
-π
π
π/2