RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 3. Functions

Subject: Maths - Class 11th

Q. No. 12 of Exercise 3F

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


(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)


For the specified domain

y = - 1

Range is {-1}.

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