Which of the following rules describes the function graphed below?
Output = Input
Output = 2 • Input − 1
Output = Input + 2
Output = 3 • Input − 2
![Which of the following rules describes the function graphed below Output Input Output 2 Input 1 Output Input 2 Output 3 Input 2 class=](https://us-static.z-dn.net/files/d59/3c5548e761deb905637663e0bad6ab35.gif)