Answer:
21 tribbles on the 7th night
Step-by-step explanation:
every night 3 tribbles appear meaning that the tribbles spawn rate is y=3x
y= number of tribbles
x= number of nights
Answer:

Step-by-step explanation:
We can see from the graph that
can't be lesser than
and
extends unendlessly in the positive direction.
Answer:i think it is 5
Step-by-step explanation:
The answer is the 4th or 119