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question mark

f(X) = x/{1+|x|} is

A) strictly increasing

B) strictly decreasing

C) neither inc nor dec

D) none

shefali sharma , 16 Years ago
Grade 12
anser 1 Answers
ANAM V. RANGA REDDY

answer: A

solution: f1 (x) = 1⁄(1+|x|)2 

f1(x)>0 hence f(x) is a strictly increasing function

Last Activity: 16 Years ago
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