The answer is just -x/4 because you can divide a variable
Since, population of species A is represented by : 
Let us find the population of species A, at the end of week 1:
i.e., x = 1
i.e., 
i.e., 
i.e., 
Also, since population of species B is represented by : 
Let us find the population of species B, at the end of week 1:
i.e., x = 1
i.e., 
i.e., 
i.e., 
Thus, at the end of 1 week, species A and species B will have the same population.
Hence, option D is correct.
Answer: hopes this helps i spent a lot of time on it !!!:)lol
2
0
+
3
6
−
8
−
1
2
2
0
+
1
0
1
0
ℎ
−
1
5
−
1
2
−
1
4
5
6
−
6
3
8
−
1
8
−
8
+
1
2
Step-by-step explanation:
It is 3.75 for the answer
30 is the answer. You do 10X 3 which is 30- 2 which is 28 and 28 to the nearest 10th is 30