Question

Write a rule for the linear function in the table

Answer 1

We can use slope , point formula
y-y1=m(x-x1)
m is  a slope=(y2-y1)/(x2-x1)=(-10-(-7))/(2-1)=-3
for example, we take the point (1, -7)
y-(-7)=-3(x-1)
y+7=-3x+3
y=-3x-4