After Sam presses the numbered keys, the microchip within his cell phone must decide what letters to show on the screen. Consider the relation from number to letter.
What is the domain of this relation?

chicken nuggets

Step-by-step explanation:

Vertical shift is -2. Horizontal shift is 1. Check the box that says reflect over x-axis. Horizontal shrink should be 4. Then to check if it looks right go to Desmos.com and in the graphing calculator put in y=-4(x-1)^2-2 and see if it looks like the one you did in your work