At company X, when customer demand exceeds supply, prices increase. When supply exceeds demand, prices decline. prices were higher at the end of july than at the beginning of july. in june, supply exceeded demand.

i believe that the answer is

b. y-1=-2(x-4)

hope this !

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)