Answer:
Step-by-step explanation:
From the table you have points (-1, 3) and (2, 9)
general equation
y-y1 = m (x-x1)
the slope m= (y2-y1) / (x2-x1) = 9-3/ 2+1 = 6/3 =2
so the equation shhould be
y+1=2(x-3)
Sydney equation is wrong because her slope is wrong 1/2