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Answer:
C) y = 3x-5 is the answer.
Step-by-step explanation:
take two points,
(2,1) and (4,7)
slope(m) = (7-1)/(4-2)
m = 6/2
m = 3
now,
y = mx+b
1 = 3×2+b
1 = 6+b
b = -5
now
y = mx+b
y = 3x-5