What is the domain of the function shown in the graph?
Please need help asap

What situation is an example of an observational study

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Find the roots of the equation below. x^2 - 6 + 9 = 0