AP EAPCET 20-Aug-2021 Shift 1 Paper

Section: Mathematics

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Question : 65 of 160

Marks: +1, -0

If f(x), defined below, is continuous at x=4, then _______
f(x){

x−4

|x−4|

+a

,

x<4

a+b

,

x=4

x−4

|x−4|

+b

,

x>4

a=0 & b=0
a=1& b=1
a=−1 & b=1
a=1 & b=−1

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