Respuesta :

Step-by-step explanation:

y=ax+b

if x = 0 then y = b=3

if x =1 then y= a+3=1 --> a=-2

so y = -2x + 3

Answer:

y = -2x + 3

Step-by-step explanation:

m = slope

b = y-intercept

y = mx + b

slope = change in y/change in x

slope = -2/1

y = -2x + 3