Help pls im to stupit ;(

With this one. will mark brainliest

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false

Which statement is true about the function f(x)= square root -x ? the domain of the graph is all real numbers. the range of the graph is all real numbers. the domain of the graph is all real numbers less than or equal to 0. the range of the graph is all real numbers less than or equal to 0.