Question

Which of the following is an odd function

f(x) 3x
f(x) 1x
f(x) 6x
f(x) 6x + 2x

Answer 1

Explanation:

For a function to be odd, f(-x)=-f(x).

This means that for polynomial functions, all the terms need to have an odd exponent.

The only choice that satisfies this is D.