Answer:
146 feet below the surface
Step-by-step explanation:

Answer: 
Step-by-step explanation:
Here, According to the question, The population of the world is 4 billion (approx).
Again According to the question, The world's population has grown at an average rate of 1.9 percent per year since 1945.
Therefore, after 1975 the growth rate will remains same.
Thus, the population of the world after t years,
(By the formula
)
⇒
Where 1.019 is the growth rate and 4 billion is the initial population.
Answer:
i believe the relative max coordinate is (2,4)
relative min is (-2,0) and (4,0)
and these are not absolute exterma maybe because there are more than one relative min?
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