Identity Function

Q. If {(a, 8), (6, b)} represents an identity function, then find the values of a and b respectively.

1. 8, 6
2. 8, 8
3. 6, 6
4. 6, 8

Q. Which of the following is the graph for identity function?

1. 
2. 
3. 
4. 

Q. If {(2, a), (b, 8)} is an identity function, then the value of (a, b) is

1. (8, 2)
2. (2, 8)
3. (4, 1)
4. (1, 4)

Q.

How many of the following statements are true about the identity function?

(a) It's graph is shown above.
(b) Domain is R
(c) Range is R
(d) Its an even function

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Q. If {(x, -1), (2y, 6), (1, -z)} is an identity function, what is the value of x + y + z?

1. 1

Q.

Which of the following is the identity function?

1. $y=x$

2. $y=x^2$

3. $y=|x|$

4. $y=1$

Q. If a function 'f' is an identity function and f(6) = a, then find the value of a.

1. 6
2. -6
3. $\frac{1}{6}$
4. $-\frac{1}{6}$

Q. If a function 'f' is an identity function and f(6) = a, then find the value of a.

1. -6
2. 6
3. $-\frac{1}{6}$
4. $\frac{1}{6}$

Q.

How many of the following statements are true about the identity function?

(a) It's graph is shown above.
(b) Domain is R
(c) Range is R
(d) Its an even function

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