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VMariaS [17]
2 years ago
6

How to find a domain and range and express it in a function

Mathematics
1 answer:
harina [27]2 years ago
4 0

Answer: To find the excluded value in the domain of the function, equate the denominator to zero and solve for x .

Step-by-step explanation:

For example, in the problem below The domain of the function is set of real numbers except −3 . The range of the function is same as the domain of the inverse function. So, to find the range define the inverse of the function.

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Alja [10]

Answer:

m = 3

Step-by-step explanation:

-3m - 6 = 6 - 7m

-3m + 7m = 6 + 6

4m = 12

m = 12/4

m = 3

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3 years ago
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A newborn giraffe weighs about 65 kilograms.How much does it erigh in grams?
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Answer:


Step-by-step explanation:

To find the answer convert the amount kilograms you have to grams

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3 years ago
Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures bef
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Answer:

B) 8 ≤ p

Step-by-step explanation:

1000 - 380 = 620

620 / 80 = 7.75

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2 years ago
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Apply the junction rule to the junction labeled with the number 1 (at the bottom of the resistor of resistance R2R2R_2). Answer
Ira Lisetskai [31]

Answer:

-I₁ + I₂ + I₃ = 0

I₁ = I₂ + I₃

Step-by-step explanation:

The image of the circuit is obtained online and attached to the question.

The junction rule is essentially a law of conservation of current (charges). It applies to electrical circuits at steady state.

It explains that the for any given junction (node in an electrical circuit), the sum of current entering the junction is equal to the sum of current leaving the junction. That is, the net sum of current at any junction is zero.

Current entering a junction is assigned a positive sign and that leaving the junction is assigned a negative sign.

Σ I = 0

From the image of the circuit attached, I₁ is leaving the junction labelled number 1 and I₂ and I₃ are entering the junction.

Hence,

-I₁ + I₂ + I₃ = 0

I₁ = I₂ + I₃

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3 years ago
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