Let be defined by

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

Let

f: \mathbb{R}\to\mathbb{R}

be defined by

f(x)=3x-1

. Find the value of

(I_{\mathbb{R}}\circ f\circ I_{\mathbb{R}})(2)

. (a)

6

(b)

5

(c)

2

(d)

7

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