Let f : R → R defined by $f(x)=2 x^

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

Let f : R → R defined by $f(x)=2 x^3-7$ for $x \in R$. Then :

(A) f is one-one function
(B) f is many to one function
(C) f is bijective function
(D) f is into function

Choose the correct answer from the options given below:

Options:

(A) and (D) only

(B) and (D) only

(B) and (C) only

(A) and (C) only

Correct Answer:

(A) and (C) only

Explanation:

The correct answer is Option (4) - (A) and (C) only