Chapter 2 – Relations and Functions
Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Maths > Chapter 2 - Relations and Functions
8. Let f = {(1, 1), (2, 3), (0, –1), (–1, –3)} be a function from Z to Z defined by f(x) = ax + b, for some integers a, b. Determine a, b.
22
Oct
8. Let f = {(1, 1), (2, 3), (0, –1), (–1, –3)} be a function from Z to Z defined by f(x) = ax + b, for some integers a, b. Determine a, b. –3)} be a function from Z to Z defined by f(x) = ax + b 0 ) 1 2 3% 8. [...]
Tags:
–3)} be a function from Z to Z defined by f(x) = ax + b ,
0 ) ,
1 ,
2 ,
3% ,
8. Let f = {(1 ,
B ,
b. Determine a ,
for some integers a ,
7. Let f, g: R → R be defined, respectively by f(x) = x + 1, g(x) = 2x – 3. Find f + g, f – g and f/g.
22
Oct
7. Let f, g: R → R be defined, respectively by f(x) = x + 1, g(x) = 2x – 3. Find f + g, f – g and f/g. 7. Let f f – g and f/g. g: R → R be defined g(x) = 2x – 3. Find f + g respectively by [...]
4. Find the domain and the range of the real function f defined by f(x) = √(x – 1).
22
Oct
4. Find the domain and the range of the real function f defined by f(x) = √(x – 1). 4. Find the domain and the range of the real function f defined by f(x) = √(x – 1). October 22, 2021 Category: Chapter 2 - Relations and Functions , Maths , NCERT Exemplar Class 11 [...]
3. Find the domain of the function f(x) =x^2 + 2x + 1 / x^2 – 8x + 12
22
Oct
3. Find the domain of the function f(x) =x^2 + 2x + 1 / x^2 – 8x + 12 3. Find the domain of the function f(x) =x^2 + 2x + 1 / x^2 - 8x + 12 October 22, 2021 Category: Chapter 2 - Relations and Functions , Maths , NCERT Exemplar Class 11 [...]
2. If f(x) = x^2, find f(1.1) – f(1) / (1.1-1)
22
Oct
2. If f(x) = x^2, find f(1.1) – f(1) / (1.1-1) 2. If f(x) = x^2 find f(1.1) - f(1) / (1.1-1) October 22, 2021 Category: Chapter 2 - Relations and Functions , Maths , NCERT Exemplar Class 11 ,
5. Find the range of each of the following functions. (i) f(x) = 2 – 3x, x ∈ R, x > 0.
22
Oct
5. Find the range of each of the following functions. (i) f(x) = 2 – 3x, x ∈ R, x > 0. 5. Find the range of each of the following functions. (i) f(x) = 2 – 3x x ∈ R x = 0 October 22, 2021 Category: Chapter 2 - Relations and Functions , [...]
4. The function ‘t’ which maps temperature in degree Celsius into temperature in degree Fahrenheit is defined by t(c) = 9c/5 + 32 Find (i) t (0) (ii) t (28) (iii) t (–10) (iv) The value of C, when t(C) = 212
22
Oct
4. The function ‘t’ which maps temperature in degree Celsius into temperature in degree Fahrenheit is defined by t(c) = 9c/5 + 32 Find (i) t (0) (ii) t (28) (iii) t (–10) (iv) The value of C, when t(C) = 212 4. The function ‘t’ which maps temperature in degree Celsius into temperature in [...]
3. A function f is defined by f(x) = 2x – 5. Write down the values of (i) f(0), (ii) f(7), (iii) f(–3)
22
Oct
3. A function f is defined by f(x) = 2x – 5. Write down the values of (i) f(0), (ii) f(7), (iii) f(–3) (ii) f(7) (iii) f(–3) 3. A function f is defined by f(x) = 2x – 5. Write down the values of (i) f(0) October 22, 2021 Category: Chapter 2 - Relations and [...]
2. Find the domain and range of the following real function: (ii) f(x) = √(9 – x^2)
22
Oct
2. Find the domain and range of the following real function: (ii) f(x) = √(9 – x^2) 2. Find the domain and range of the following real function: (ii) f(x) = √(9 – x^2) October 22, 2021 Category: Chapter 2 - Relations and Functions , Maths , NCERT Exemplar Class 11 ,
2. Find the domain and range of the following real function: (i) f(x) = –|x|
22
Oct
2. Find the domain and range of the following real function: (i) f(x) = –|x| 2. Find the domain and range of the following real function: (i) f(x) = –|x| October 22, 2021 Category: Chapter 2 - Relations and Functions , Maths , NCERT Exemplar Class 11 ,