Can you tell me if y=x4 a function

y=4x is a function

Step-by-step explanation:

Step-by-step explanation:

this is a function because any x value you plug in will have only one unique y value

|x| + 1 < 2

minus one on both sides

|x| < 1

This represents a closed circle around one going positive one going left. However based on the images choose the one with colored in circles going outwards from the -1 and 1.

Hope this helps! If you think I'm worthy, Brainliest would be great! :D