Cot θ
-tan θ
- Cot θ
- sin θ
The period of cos(x)2 is
2π
4π2
π2/4
None of these
If f1(x) and f2 (x) are defined on domain D1 and D2, then the domain of f1(x) + f2 (x) is
D1 ∪ D2
D1 ∩ D2
D1 - D2
D2 - D1
Let X = {2,3} and Y = {1,3,5}. How many different functions are there from X into Y?
3
9
16
7
f(a2)
f(a)
f(a+1)
Given f: N→N, If f={(1,3) (2,5) (3,7).........} then f(x)=
2x + 1
2x - 1
x + 1
x - 1
If f: R→ R, the range of the function, is
R-
R+
R
R x R
If f(x) = x2 - 1/x2, f(x) =
-f(1/x)
f(1/x)
-f(x)
f(x2)
The domain of the function f(x) = log |4 - x2| is
(-2, 2)
R - {2, -2}
{-2, 2}
The inverse function of f(x) = [1 - (x - 5)3]1/5 is
5 + (1 - x5)1/3
5 - (1 - x2)1/3
-5 + (1 - x5)1/3
