Respuesta :

Answer:

y = 2x - 1

Step-by-step explanation:

(4,7) (2,3)

slope = (7-3)/(4-2) = 4/2 = 2

y = 2x + c

when x=4 , y=7

7 = 2(4) + c

c = 7-8 = -1

y = 2x - 1