Answer:
Select the correct answer.
Scientists studying biodiversity of amphibians in a rain forest have discovered that the number of species is decreasing by 2% per year. There are currently 74 species of amphibians in the rain forest. Which logarithmic function models the time, , in years, it will take the number of species to decrease to a value of n?
The answer is D.
Step-by-step explanation:
Answer:
All the values of k are -4, -3, -2, -1, 0 , 1
Step-by-step explanation:
Given;
- 4≤ k ≤ 1
The range of value of k is between -4 and 1.
These values are listed as follows;
k = -4, -3, -2, -1, 0 , 1
Therefore, all the values of k are -4, -3, -2, -1, 0 , 1
Answer:

Step-by-step explanation:
Apply pythagorean theorem:
ABD is a right triangle with angle ADB = 90
hence AD =
where BD = 10 because it is half of BC
AD =
= 
It has 2 real irrational roots