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Anisha Mishra
Subject: Maths
, asked on 3/3/18
Find the domain and range of the following real functions?
1
f
x
=
-
x
2
f
x
=
9
-
x
2
3
f
x
=
x
-
1
4
f
x
=
x
-
1
Answer
2
Noel George Cherian
Subject: Maths
, asked on 21/2/18
Let A = {x ∈ N: x^ 2 − 5x + 6 = 0}, B = {x ∈ W: 0 ≤ x < 2}, C = {x ∈ N: x < 3}, verify A x (B ∩ C) = (A x B) ∩ (A x C).
Answer
0
Tushar
Subject: Maths
, asked on 20/2/18
I
f
f
(
x
)
=
x
-
1
x
+
1
,
p
r
o
v
e
t
h
a
t
f
{
f
(
x
)
}
=
-
1
x
Answer
1
Anika Kapoor
Subject: Maths
, asked on 10/2/18
Q.14. Find the domain and range of the function given by
f
(
x
)
=
1
x
-
x
, where [x] is greatest integer function.
Answer
0
Nura Mohammad
Subject: Maths
, asked on 8/2/18
Solve
Answer
1
Nura Mohammad
Subject: Maths
, asked on 8/2/18
Solve this:
Answer
1
Naga Nandhini
Subject: Maths
, asked on 6/2/18
Find the domain and the range of the real function
f
defined by
f
x
=
x
-
1
.
Answer
3
Naga Nandhini
Subject: Maths
, asked on 6/2/18
Find the domain and range of the function i)f(x)= underroot of x-1
ii)f(x)= I x-1 I
Answer
0
Naga Nandhini
Subject: Maths
, asked on 4/2/18
Find the values of x for which the function f(x)=3x^2-1 and g(x)=3+x
Answer
1
Krithikha B
Subject: Maths
, asked on 3/2/18
Find the domain and range of the function f (x) = 5/ 3−x^ 2
Answer
1
Naga Nandhini
Subject: Maths
, asked on 2/2/18
If f(x)=2x+5 and g(x)=x
2
-1 ,find f-g ,f*g,f/g
Answer
1
Raj Aryan
Subject: Maths
, asked on 31/1/18
60
.
L
e
t
f
θ
=
sin
θ
sin
θ
+
sin
3
θ
t
h
e
n
;
A
f
θ
≥
0
o
n
l
y
w
h
e
n
θ
≥
0
B
f
θ
≤
0
f
o
r
a
l
l
r
e
a
l
θ
C
f
θ
≥
0
f
o
r
a
l
l
r
e
a
l
θ
D
f
θ
≤
0
o
n
l
y
w
h
e
n
θ
≤
0
Answer
1
Naga Nandhini
Subject: Maths
, asked on 31/1/18
Find the domain and range of the following relation,
R= {(1,a) (2,b) (3,c)}
Answer
1
Naga Nandhini
Subject: Maths
, asked on 31/1/18
13
.
L
e
t
f
1
g
:
R
→
R
b
e
d
e
f
i
n
e
d
r
e
s
p
e
c
t
i
v
e
l
y
b
y
f
x
=
x
+
1
,
g
x
=
2
x
+
3
.
F
i
n
d
f
+
g
,
f
-
g
,
f
g
a
n
d
f
.
g
O
R
C
o
n
v
e
r
t
t
h
e
c
o
m
p
l
e
x
n
u
m
b
e
r
-
16
1
+
i
3
i
n
t
o
p
o
l
a
r
f
o
r
m
.
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 31/1/18
Plz fast:
Q.1. If
a
y
-
b
c
c
=
c
x
-
a
z
b
=
b
z
-
c
y
a
show that
x
a
=
y
b
=
z
c
.
Answer
1
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What are you looking for?
ii)f(x)= I x-1 I
R= {(1,a) (2,b) (3,c)}
Q.1. If show that .