Function - Quant/Math - CAT 2009
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)
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.
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