# What is the domain and range of #y=x^4+x^2-2 #?

##### 1 Answer

Mar 31, 2017

Domain:

Range:

#### Explanation:

The **domain** of polynomial equations is

Since this is equation has an even highest degree of 4, the lower bound of the **range** can be found by determining the absolute minimum of the graph. The upper bound is

**Range:**