3 years ago

What is the domain of the function f(x) = x^2-9/x-3 in set notation and in interval notation?

Mathematics

1 answer:

nataly862011 [7]3 years ago

8 0

Answer:

the domain is f[x]=x2x5ty57ju68jujokm000oikukoii

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Solve: |x+2|−1≥5. Write your solution in interval notation.

AlekseyPX

nswer:

Step-by-step explanat

|x+2| - 1 ≥ 5

 |x+2| ≥ 5+1

 |x+2| ≥ 6

 x+2 ≥ 6 hoặc x+2 ≤ -6

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3 years ago

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3) Find the length of a rectangular lot with a perimeter of 92 m if the length is 8 m more than

Nikolay [14]

Answer:

26 m

Step-by-step explanation:

Perimeter = 92 m

Length = 8 m more than width

Width: 20 m

Therefore,

<h2>length=26 m</h2>

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4 years ago

Work out 77 % of 775.66 m Give your answer rounded to 2 DP.

Zinaida [17]

Answer:

597.25 m

Step-by-step explanation:

We need to find 77% of 775.66 m.

It can be calculated as follows :

$77\%\times 775.66\\\\=\dfrac{77}{100}\times 775.66\\\\=597.25\ m$

So, 77% of 775.66 m is equal to 597.25 m.

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3 years ago