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f(X) = x/{1+|x|} is A) strictly increasing B) s trictly decreasing C) neither inc nor dec D) none

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


A) strictly increasing


B) strictly decreasing


C) neither inc nor dec


D) none

Grade:12

1 Answers

ANAM V. RANGA REDDY
24 Points
11 years ago

answer: A

solution: f1 (x) = 1⁄(1+|x|)

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

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