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NemiM [27]
2 years ago
5

Use the function below to find f(-2) F(x)=3x

Mathematics
1 answer:
frosja888 [35]2 years ago
6 0

Answer:

B

Step-by-step explanation:

Using the rule of exponents

a^{-m} = \frac{1}{a^{m} }

Then

f(- 2) = 3^{-2} = \frac{1}{3^2} = \frac{1}{9} → B

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Which of the following is equal to (2x/3 - 7) + 7?. A. (2x - 7) + 21. B. 2x - 21/3. C. 3x/2. D. 2x/3.
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For this case we have the following expression:

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What we must do in this case is to use one of the properties of the sum.

In this case, we must use the associative property.

The associative property states:

(a + b) + c = a + (b + c)

We have then:

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Simplifying we have:

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Answer:

the following is equal to (2x / 3 - 7) + 7

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