Answer:
Step-by-step explanation:
y=3(x-3)(x-4)
=3(x²-4x-3x+12)
or y=3(x²-7x+12)
or y=3x²-21x+36
16
m = 5/7
m = y2-y2/x2-x1
m= 3-(-2)/ 9-2
m= 5/7