# How do you find the domain and range of #y=x^2+3x+1#?

##### 1 Answer

#### Explanation:

The domain and range are a set of all the possible values that a function can have.

Domain refers to the

For a parabola, no matter the values, the domain will always be

As for range, the range is dependent on the

This is because, if the

Unfortunately, in this case (standard form), the

graph{x^2 + 3x + 1 [-3.895, 3.9, -1.948, 1.947]}

As you can see, the domain can be any

Therefore, the range is

Hope this helps :)