Answer:
1. y=-4/3x+9
2. y=-4x+6
Step-by-step explanation:
1.y=-4/3x+b
put in 3,5 into equation
5=-4/3(3)+b
5=-4+b
9=b
so y=-4/3x+9
2. y=4x+b
2=4(-1) +b
2=-4+b
6=b
y=-4x+6
