As the x-values of a linear function increase by one unit, the corresponding y-values decrease by four units. The function passes through the point (8,-2). Which function matches the description above

As the x-values of a linear function increase by one unit, the corresponding y-values decrease by four units. The function passes through the point (8,-2). Which function matches the description above?

a) y= -1/4x+2

b)y=-4x+30

c)y=4x-34

d)y=1/4x-4