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Uma
Subject: Maths
, asked on 5/5/18
9. Draw the graph of (x) = |2x – 3|; x ∈ R; and find its domain & range.
10. If (x) and g(x) are two functions such that (x) = 3x – 1, g(x) = x
2
+ 2.
Find (i) (f + g) (x) (ii) (f – g) (x) (iii) (f. g) (x) (iv)
f
g
x
Answer
1
Uma
Subject: Maths
, asked on 5/5/18
f
: R → R is defined by
f
x
=
3
x
-
1
,
x
<
-
1
x
2
-
3
,
-
1
≤
x
≤
3
.
Find (i) f(0) (ii) f(–1) (iii) f(3)
Answer
1
Eshita Rastogi
Subject: Maths
, asked on 5/5/18
11and 12
Q11. Let A = {a, b}. List all relations on A and find their number.
Q12. Let A = { x, y, z) and B = { a, b}. Find the total number of relations from A into B.
Answer
1
Uma
Subject: Maths
, asked on 5/5/18
If (x) and g(x) are two functions such that (x) = 3x – 1, g(x) = x 2 + 2. Find (i) (f + g) (x) (ii) (f – g) (x) (iii) (f. g) (x) (iv) ( f /g )(x)
Answer
1
Uma
Subject: Maths
, asked on 5/5/18
6. f ∶ R → R is defined by f(x) = { 3x − 1, x < −1
x 2 − 3, −1 ≤ x ≤ 3. Find (i) f(0) (ii) f(-1) (iii) f(3)
Answer
1
Yatharth Patel
Subject: Maths
, asked on 4/5/18
Plz solve q5
Q.5. If P (x) is a polynomial of degree 3 such that P (i) =
1
i
+
1
∀
i = {1, 2, 3, 4}. Then find P (5)?
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Explain algebra of real functions
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Explain the Greatest integer function
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Explain Signum function
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Q. What is Rational function?
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Explain Modulus function
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Example .13.
Define the function f :
R
→
R
by y = f (x), x
∈
R. Complete the table given below by using this definition. What is the domain and range of the function? Draw the graph of f.
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Polynomial function
Answer
1
अर्कज
Subject: Maths
, asked on 4/5/18
Q.(ii).
Constant function:
Define the function
f
:
R
→
R
by y = f (x) = c, x
∈
R
where c is a constant and each x
∈
R
. Here domain of f is
R
and its range is {c}.
Answer
2
अर्कज
Subject: Maths
, asked on 4/5/18
Explain Identity functions
Answer
1
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10. If (x) and g(x) are two functions such that (x) = 3x – 1, g(x) = x2 + 2.
Find (i) (f + g) (x) (ii) (f – g) (x) (iii) (f. g) (x) (iv)
Find (i) f(0) (ii) f(–1) (iii) f(3)
Q11. Let A = {a, b}. List all relations on A and find their number.
Q12. Let A = { x, y, z) and B = { a, b}. Find the total number of relations from A into B.
x 2 − 3, −1 ≤ x ≤ 3. Find (i) f(0) (ii) f(-1) (iii) f(3)
Q.5. If P (x) is a polynomial of degree 3 such that P (i) = i = {1, 2, 3, 4}. Then find P (5)?
Q. What is Rational function?