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Sergio039 [100]
3 years ago
6

Another college precalculas question, please and thank you!

Mathematics
1 answer:
Ratling [72]3 years ago
5 0

Answer:

B) (-∞,∞)

Step-by-step explanation:

The domain is the x-values, so it’s all real numbers in this graph.  

I would use interval notation and choose B) (-∞,∞)

The range is the y-values, so it’s (2,-1), if that’s the next question.

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Answer:

sqrt(13^2)

Step-by-step explanation:

this is the radical form of 13^(5/2)

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gregori [183]
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7 0
3 years ago
What type of number is 6√14 + √14?
sveta [45]

Answer:

Rational

Step-by-step explanation:

Quick Easy Eliminations:

We can get rid of positive integer as the sum of these roots is a decimal which is not a whole number. Hence, we can eliminate 2 options, C. Positive integer and D. Whole Number.

First solve:

6√14 + √14

= 7√14 (Decimal form: 26.191602)

What we need is the decimal form in order to determine if it's rational or irrational.

A rational number is any integer, fraction, terminating decimal, or repeating decimal.

Rational

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