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BARSIC [14]
3 years ago
5

The population of bald eagles in Forest National Park is declining at a rate of 14% per year. The following expression represent

s the population of bald eagles after x years. 206(0.86)^x Which of the following expressions reveals the approximate rate at which the population of bald eagles is declining per month?
a.(.16)^x/12

b.(.99)^x/12

c.(.99)^12x
Mathematics
2 answers:
neonofarm [45]3 years ago
7 0

We know that the population is declining at a rate of 14% per year.

The expression is:

N ( x ) = 206 * ( 0.86 ) ^ x

where x stays for years.

If we want to find the rate at which the population is declining per month we have to find:

\sqrt[12]{0.86} = 0.9875

And 0.9875 ≈ 0.99

There are 12 months in a year so the exponent is: x/12

Answer:

b. ( .99 ) ^ x/12


Norma-Jean [14]3 years ago
4 0

Answer:

b. ( .99 ) ^ x/12

Step-by-step explanation:

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According to the proposed interrogate, as well as the graph provided, the correct answers to such are identified as B. Y = -2x + 5 and C. 2x + y = 4.

Step-by-step explanation:

To evaluate such, a comprehension of linear Cartesian data is required:

Slope = rise/run. If there is a negative rise, the direction of the line is proportional to the left-hand side as it exponentially grows or augments in units.

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X-intercept: The peculiar point in which the linear data observed intersects the x-axis.

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The interrogate states, “Check all that apply.” Thus, there may be more than one correct answer, shall such be disseminated.

A. Cannot be the answer as the line should have been a horizontal line contained within quadrants I and II on the Cartesian Plane.

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C. This configuration is denoted in “Standard Form” or “General Form”. To convert this to “Slope-Intercept Form” the following must be executed mathematically:

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D. Likewise, this configuration is denoted in “Standard Form” or “General Form”. To convert this to “Slope-Intercept Form” the following must be executed mathematically:

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