Graph of Identity Function

1. $6$
2. $4$
3. $3$
4. $5$

Which of the following function is identity function?

1. y =

2. y=

3. y = 1

4. y = x

Which of the following statements is/are correct about identity function?

1. It's an even function

2. its graph is symmetrical about opposite quadrants

3. Domain and range is both equal to R

4. it's an odd function

1. $3$
2. $4$
3. $5$
4. $6$

1. $\varphi$
2. $R-(-\infty ,-4)$
3. $R-(5,\infty )$
4. $R-(-\infty ,-5)$

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Assertion is incorrect but Reason is correct

1. $1$
2. $2$
3. $0$
4. infinitely many

1. $3$
2. $5$
3. $6$
4. $4$

Which of the following function is identity function?

1. y =$x^2$

2. y=$\frac{1}{x}$

3. y = 1

4. y = x

1. $ab=1,c=d$
2. $c=d,h=g$
3. $ab=1,h=g$
4. $c=d,h=g,ab=1$

Which of the following statements is/are correct about identity function?

1. It's an even function

2. its graph is symmetrical about opposite quadrants

3. Domain and range is both equal to R

4. it's an odd function

Which of the following statements is/are correct about identity function?

1. It's an even function

2. its graph is symmetrical about opposite quadrants

3. Domain and range is both equal to R

4. it's an odd function

Which of the following function is identity function?

1. y =$x^2$

2. y=$\frac{1}{x}$

3. y = 1

4. y = x