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ValentinkaMS [17]
2 years ago
6

Please help as soon as possible. I'm writing a research paper and this is one question it must answer. I am stuck on it.

Mathematics
2 answers:
Maksim231197 [3]2 years ago
8 0

Answer:

One real life situation that Pascal's Triangle is used for is Probability

Step-by-step explanation:

One real life situation that Pascal's Triangle is used for is Probability, and combinations. We have situations like this all of the time. For example, say you are at an ice cream shop and they have 5 different ice creams. You want to know how many different ways you can pick two of the ice creams and eat them.

STALIN [3.7K]2 years ago
5 0

cell division? kkkookwk

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please help! functions and relations. f(x)= square root of x-4. find the inverse of f(x) and it’s domain.
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ANSWER:

\:D.\text{ }f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge-4

STEP-BY-STEP EXPLANATION:

We have the following equation:

f(x)=\sqrt{x}-4

The inverse is the following (we calculate it by replacing f(x) by x and x by f(x)):

\begin{gathered} x=\sqrt{f^{-1}(x)}-4 \\  \\ \sqrt{f^{-1}(x)}=x+4 \\  \\ f^{-1}(x)=(x+4)^2 \end{gathered}

The domain would be the range of the original equation, and it would be the range of values that f(x) could take, which was from -4 to positive infinity, that is, f(x) ≥ -4.

Therefore, the domain is x ≥ -4.

So the correct answer is D.

\:f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge -4

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