Answer:
B
Step-by-step explanation:
Answer:
f(-2)=4+6+2
f(-2)=12
Step-by-step explanation:
Add -2 where all the x values are then solve
So is doubling, first off, meaning, if the current amount say P, then when it doubles is 2P, or double that, or P + P, so the rate of growth is 100%, since it's doubling.
and is doing it every 9 hour cycle, thus