48
O19
unit test1.pdf
a
Unit test-1
marks:50
1. Fillup
(15×1=15)
1. Relations are subsets

48
O19
unit test1.pdf
a
Unit test-1
marks:50
1. Fillup
(15×1=15)
1. Relations are subsets of
2. If f: A B is called a constant function then the range
off will have
elements
3. Domain of a reciprocal function is
4. Graph of a cubic function is
5. Composition of functions is
6. If f(x)=x3 and g(x)=x2 then fog(x) =
7. An identity function is
function
of its
8. Range of a constant function is a
codomain
of its
9. The range of a function is a
codomain
10.
A one to one function is also called a
11. is a function f :RR defined by f(x)=x? a one to one
function?
12. Given f(x)=(-1)* is a function from N to Z.then the
range of fis
13.
Every function can be represented by a​