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Sergio039 [100]
2 years ago
6

Another college precalculas question, please and thank you!

Mathematics
1 answer:
Ratling [72]2 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:

Step-by-step explanation:

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Projection of U on V =\frac{U.V}{|V|} \\=\frac{-11}{\sqrt{1+9+9} } \\=\frac{-11}{\sqrt{19} }

Similarly projection of V on U

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Answer:

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Step-by-step explanation:

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3 years ago
The answer and how you got the answer
olasank [31]

Answer:

\frac{34}{15}

Step-by-step explanation:

we are asked to evaluate

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a\tfrac{b}{c}=\frac{a \times c +b}{c}

Hence

4\tfrac{1}{4}=\frac{4 \times 4 +1}{4}

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Also

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Hence

4\tfrac{1}{4} ÷ 1\tfrac{7}{8}

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Also we know the rule for dividing fraction is as given below

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Hence

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