Chapter 1.2, Problem 21E

To determine

To find: Whether the function $y=x^4$ is even, odd or neither.

Answer to Problem 21E

The function $y=x^4$ is an even function.

Explanation of Solution

Given information:The function is $y=x^4$ .

The function $y=x^4$ contains the even power of $x$ .So, $y=x^4$ is always positive for all the values of $x$ .

Therefore, the function $y=x^4$ is even function.