Answer:
y=1x+6
Step-by-step explanation:
because 6 is the y intercept ans is going up 1 by 1
y = 1x + 6
y = mx+b
m = slop
b = y-int
slope = (1,7) (3,9)
slope = 9 - 7 / 3 - 1
slope = 2 / 2
slope = 1
y-int = 6
