## THIS USER ASKED 👇

**Which of the following is an odd function?**

**
**

**f(x) = x3 + 5×2 + x
f (x) = StartRoot x EndRoot
f(x) = x2 + x
f(x) = –x**

## THIS IS THE BEST ANSWER 👇

Step by step explanation:

When f (-x) = -f (x), it is then called an odd function.

i)

Then,

ie

ii)

ie

iii)

ie

iv)

ie

Hence, f (x) is an odd function.