BITSAT 2017 Paper

Section: Mathematics

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Question : 81 of 150

Marks: +1, -0

Let f and g be functions from R to R defined as

f(x)={

7x2+x−8,x≤1

4x+5,1<x≤7

8x+3,x>7

,g(x)={

|x|,x<−3

0,−3≤x<2

x2+4,x≥2

Then

(fog)(–3)=8
(fog)(9)=683
(gof)(0)=–8
(gof)(6)=427

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