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Leokris [45]
2 years ago
6

Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe

n she began her study, the frog population was estimated at 1,200. Which function represents the frog population
Mathematics
1 answer:
svp [43]2 years ago
6 0

Answer:

Step-by-step explanation:

This is exponential, of the form

y=a(b)^x where a is the initial amount and b is the growth/decay rate. If Ginny begins the study with 1200 frogs in the population, our a value is 1200.

If the population is decreasing 3% per year, it is decreasing 100% - 3% = 97% which, as a decimal, is .97. Our exponential function, then, is

y=1200(.97)^x

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Maurinko [17]

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He graph of the function f(x) = –(x + 6)(x + 2) is shown below.
Molodets [167]

The domain of the function is all real numbers, the range of a function is y ≤ 4

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a function:

f(x) = –(x + 6)(x + 2)

If we plot this function on the coordinate plane, we will see it is a graph of a quadratic function.

Here the no other details are given.

But we can say:

  • The domain of the function is all real numbers.
  • The range of a function is y ≤ 4
  • The x-axis intercept will be at (-6, 0) and (-2, 0).

Thus, the domain of the function is all real numbers, the range of a function is y ≤ 4

Learn more about the function here:

brainly.com/question/5245372

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6 0
2 years ago
How many solutions does the system have? Y=-2x-4 y=3x+3
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Answer:

1

Step-by-step explanation:

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If they were parallel, they would have no solution.

If they were the same line, they would have infinite solutions.

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