Answer:
A. 3
Step-by-step explanation:
0= x
8= 8 + 4x +5x
Combine like terms
8 = 8+9x
Subtract 8 from each side
8-8 =8+9x-8
0 = 9x
Divide by 9
0/9 = 9x/9
Rate of change = 2 & Initial value = -1