Answer:
(−3b4)2
−12
b−9
=
−3
4
b8
b9
=
−3
4b
Step-by-step explanation:
You use (y2-y1)/(x2-x1) so if you have two points (ex: (1,2) and (2,4)), plug in those number into the formula
(4-2)/(2-1) = 2/1 = 2 so the slope (or instantaneous rate of change) is 2 for those two points<span />
Take the common denominator and divide by 3
