Functions Answers

Function - Quant/Math - CAT 2008

Question 4 the day: August 27, 2002
The question for the day is from the topic of Function.

Which of the following is not an odd function?

(1)	f(x) = -x3
(2)	f(x) = x5
(3)	f(x) = x2 � x
(4)	f(x) = |x|3

Correct Answer - (4)
 

 

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Solution:

An odd function is a function whose value reverses in sign for a reversal in sign of its argument. i.e. f(x) = -f(-x).

Except f(x) = |x|³ all other functions mentioned in the choices change values.