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bearhunter [10]
3 years ago
12

What is the domain of sqrt 3x-3?

Mathematics
2 answers:
makvit [3.9K]3 years ago
8 0

Answer:

{x|x ≥1} /[ 1,∞ )

Step-by-step explanation:

To find the domain, where expression is defined let

√3x-3≥0

3x-3≥0

3x≥3

x≥1

As domain is all the values of x where the expression is defined, hence the domain becomes  [1,∞) !

Natalka [10]3 years ago
7 0

For this case we must find the domain of the following expression:

\sqrt {3x-3}

The domain will be given by all the values for which the function is defined. For the given expression to be defined, the argument of the root must be positive. That is to say:

3x-3 \geq0\\3x \geq0 + 3\\3x \geq3\\\x \geq \frac {3} {3}\\x \geq1

Thus, the domain will be given by all the numbers greater than or equal to 1.

Answer:

Domain:x \geq1

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It is one more than the sum of the first three natural numbers, followed by the 24th letter of the alphabet. Please help
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Answer:

The set of natural numbers is the set of all positive integers, then this set is:

{1, 2, 3, ...}

and the 24th letter of the alphabet is x

Now we want to write the expression given in the sentence "It is one more than the sum of the first three natural numbers, followed by the 24th letter of the alphabet"

We can "break" this in parts, so it is easier to understand.

Then:

"...the sum of the first 3 natural numbers..."

is:

1 + 2 + 3

Then:

"...the sum of the first 3 natural numbers, followed by the 24th letter of the alphabet"

This can be written as:

(1 + 2 + 3) + x

Now we can analyze the complete sentence:

"It is one more than the sum of the first three natural numbers, followed by the 24th letter of the alphabet"

This is equal to the expression we found above plus one, then we can write this as:

[(1 + 2 + 3) + x] + 1

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4 0
3 years ago
Lines k and n are perpendicular.if the slope of line k is -6,what is the slope of line n?
aleksley [76]

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Step-by-step explanation:

Well perpendicular lines are reciprocals of each other,

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Step-by-step explanation:

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alina1380 [7]

Answer:

An independent sample.

Step-by-step explanation:

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An independent sample design can be defined as a research method that usually involves the use of multiple experimental groups (two or more). The samples or participants are only in one group and as such each group has no relationship with the other. This simply means that, the samples in a particular group is having no relationship with the other samples in another group.

Ultimately this implies, each samples are independent and satisfies only one condition of the independent sample design during the experiment to compare the production technique used by foreign and local firms in Brazil.

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