WILL MARK BRAINLIEST please help (see image) oh and plz choose one of the provided answers :)

The parabola opens: y=√x-4 (principal square root) up down right left

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.