-π
π
π/2
1
If the function = 2 for x = 2is continuous at x = 2, then
A = 1
A = -1
A = 2
A = 0
Ltx → 2+ [x] is equal to ________.
0
2
-1
A function y = f ( x ) is said to even if _______.
f ( - x ) = - f (x )
f ( -x ) = f ( x )
f ( x ) = - f ( x )
f ( x ) = f ( x )
If f1 (x ) and f2 (x ) are defined on domains D1 and D2 respectively; then the domain of f1 ( x ) + f2 (x ) is _______.
D1 - D2
D1 ∩ D2
D1 D2
D2 - D1
Domain of √(2-x) is ______.
( - ∞,2 ]
( 2, ∞)
( - ∞, ∞ )
None of these
3
8
1/2
1/3
A function f : X → X is called an identity function if :
f ( x ) = c , where C is some constant
f (x ) = x
f ( x ) = 1
The range of the function is.
( -∞, - 1/4 )
R - { - 1/4, - 1/ 20 }
[ - 1/20, ∞ )
