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777dan777 [17]
3 years ago
7

Find the distance between each pair of points.

Mathematics
1 answer:
scoundrel [369]3 years ago
5 0

Answer:

(-1, -1) and (-4,5)

Distance between them ,

\sqrt{   {( - 4 + 1)}^{2} +  {(5 + 1)}^{2} }

=  \sqrt{ {( - 3)}^{2}  +  {(6)}^{2} }

=  \sqrt{9 + 36}  =  \sqrt{45}  = 3 \sqrt{5}

Option B

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Answer:

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Step-by-step explanation:

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3 years ago
Which statements about the graph of the function f(x) = –x2 – 4x + 2 are true? Check all that apply. The domain is {x|x ≤ –2}. T
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The graph of the function f(x) =-x^2-4x + 2 is parabola with branches going down in the negative direction of y-axis. 
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Then you can conclude that all x are possible, that means that the dimain is x\in (-\infty,\infty) and the maximum value of y is at the vertex, then the range is (-\infty,6].The function is increasing for x<-2 and decreasing for x>-2 (since vertex is the maximum point).
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<span>The domain is {x|x ≤ –2} - false.
</span>
<span>The range is {y|y ≤ 6} - true.
</span>
<span>The function is increasing over the interval (–∞ , –2) - true.
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<span>The function is decreasing over the interval (−4, ∞) - false.
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Rina8888 [55]

Answer:

28 - 3=25

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5

hope that helps

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3 years ago
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