RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 3. Functions

Subject: Maths - Class 11th

Q. No. 12 of Exercise 3F

Listen NCERT Audio Books to boost your productivity and retention power by 2X.

12

If then find dom (f) and range (f).

Given,


(i) dom(f)


Here f(x) is a polynomial function whose domain is R except for points at which denominator becomes zero.


Hence x ≠ 5


The domain is (−∞,∞) – {5}


(ii) range(f)


Let


For the specified domain


y = - 1


Range is {-1}.


Chapter Exercises

More Exercise Questions