Question Help In an experiment studying the association between a treatment variable and an outcome variable, the group of people who do NOT receive the treatment are called what?

f

step-by-step explanation:

f

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this