# Is the equation #y=x^2 +3# a function?

##### 1 Answer

Nov 20, 2016

#### Answer:

For each

It is a function.

#### Explanation:

This is the equation of a parabola. It does represent a function.

For any

You will not end up with a choice of

If you draw the graph and draw a vertical line anywhere, it will only intersect the parabola once. This is an indication that is is a function.