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Sanjeevani 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Find the value of x and y, if (2x, x + y) = (6, 2)?

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Chandan replied | 22/11/2016

2x=6
x=3,
Now x+y=2
3+y=2
y=-1.
Hence x=3
y=-1

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Answer

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N

Nagarunja 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Is the given relation a function: h = {(4, 6), (3, 9), (-11, 6), (3, 11)}? Given reasons for your answer

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Answer

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T

Tarun 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Is f and g are real functions defined by f(x) = square of x + 7 and g(x) = x + 5?

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Answer

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N

Natarajan 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Let f and g are two real valued functions defined as f(x) = 2x + 1, g(x) = square of x + 1, then find f + g?

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B

Balendra 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Express the following functions as set of ordered pairs and determine their range,
f: X - R, f(x) = cube of x + 1, where X = {-1, 0, 3, 9, 7}?

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Answer

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P

Pradeep 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Find the values of x for which the functions: f(x) = 3 cube of x - 1 and g(x) = 3 + x are equal?

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V

Varada 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Is g = {(1,1), (2, 3), (3, 5), (4, 7)} a function? Justify. If this is described by the relation, g(x) = ax + b, then what is the values of a and b?

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Answer

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S

Swati 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Find the domain of the function: f(x) = x (modulus of x)?

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Answer

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S

Sanjeevani 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Find the range of the functions given by: f(x) = 1 + 3 angle cos (2x)?

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U

User 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Redefine the function f(x) = modulus of (x - 2) + modulus of (2 + x), -3 < x < 3?

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B

Bimal 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Find the value of the functions f(x) = square root of x and g(x) = x?

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Answer

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M

Mang 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

If f(x) = y =(ax - b) / (cx - a), then prove that f(y) = x?

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Answer

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N

Neha 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the range of the function f(x) = 1/ (1 - 2 angle cos x)?

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Answer

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A

Anil 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the value of f(x) = square root of (1 - square of x)?

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Answer

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S

Sushil 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the domain of square root of (square of a - square of x)?

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Answer

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B

Bhargavi 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

If f(x) = ax + b, where a and b are integers, f(-1) = -5 and f(3) = 3, then what is the value of a and b?

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Answer

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A

Ankit 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the domain of the function of f(x) = square root of (4 - x) + square root of (square of x - 1)?

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Answer

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R

Rajdeep 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the range of the function f(x) = square root (x - 1)?

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Answer

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P

Piyush 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the domain and range of function f(x) = square of x + 2x + 1?

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Answer

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G

Granth 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Let f and g are two real functions given by: f = {(0,1), (2, 0), (3, 4), (4, 2), (5, 1)} and g = {(1, 0), (2, 2), (3, -1), (4, 4), (5, 3)} then the domain of f * g is given by_______?

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M

Monica 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Find the domain value of the function: f(x) = square of x - 3x + 2?

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Answer

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N

Name 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Define function in terms of relation and function?

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S

Samskriti 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the domain and range of the function f(x) = x + angle (sin x)?

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Answer

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R

Raj 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

Define domain and range in terms of function?

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A

Ankita 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Functions

What is the domain of the function angle (cos x)?

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Answer

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