Domain and Range of Radical Functions from a Graph

All possible x values for a function

Ask yourself does this go left or right

Left= negative infinity

Right=positive infinity

All possible y values for a function

Ask yourself does the graph go up or down?

Up=positive infinity

Down=negative infinity

Type the equation into Desmos

Find the "start"

the x-coordinate will be the beginning (if the graph goes to the right) or the end (if the graph goes to the left) of your domain

the y-coordinate will the the beginning (if the graph goes up) or the end (if the graph goes down) of your range