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babunello [35]
2 years ago
15

Given A = {(1, 3)(-1, 5)(6, 4)}, B = {(2, 0)(4, 6)(-4, 5)(0, 0)} and C = {(1, 1)(0, 2)(0, 3)(0, 4)(-3, 5)}, answer the following

multiple choice question: From the list of sets A, B, and C, state the domain of set B. Domain of set B: {0, 6, 5} Domain of set B: {2, 4, -4, 0} Set B does not have a domain
Mathematics
1 answer:
Nuetrik [128]2 years ago
8 0

Answer:

  Domain of set B: {2, 4, -4, 0}

Step-by-step explanation:

The domain of the function whose ordered pairs are listed in set B is the set of first numbers of those pairs: {2, 4, -4, 0}.

_____

<em>Comment on the question</em>

A "set" does not have a domain. A "function" has a domain. To make any sense of this question, we have to interpret the question to mean the function described by the ordered pairs in the set.

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2 years ago
use the information provided to write the standard form equation of each hyperbola vertices:(4,14), (4,-10) foci: (4,15), (4,-11
Evgen [1.6K]
So... if you notice the picture below, based on the given vertices, is a hyperbola with a vertical traverse axis

meaning for the equation, the fraction with the "y" variable is the positive fraction, thus \bf \cfrac{(y-{{ k}})^2}{{{ a}}^2}-\cfrac{(x-{{ h}})^2}{{{ b}}^2}=1

so... what' the point h,k for the center?  well, just take a peek at the graph, the center is half-way between both vertices, that's h,k

what's the "a" component or the traverse axis... well, is the distance from one vertex to the center, notice the picture, notice how many units from either vertex to the center, that's "a"

now.. what's "b"?  well, "b" comes from the conjugate axis, or the other runnning over the x-axis   hmm the smaller one in this case.... well, we dunno what "b" is

however, we know the distance from either focus, to the center of the hyperbola, and that distance "c", is  \bf c=\sqrt{a^2+b^2}

notice the picture, notice the distance from either focus to the center, that's the distance "c", thus  \bf c=\sqrt{a^2+b^2}\implies c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b

that'd be "b"

bearing in mind that   \bf \cfrac{(y-{{ k}})^2}{{{ a}}^2}-\cfrac{(x-{{ h}})^2}{{{ b}}^2}=1&#10;\qquad &#10;\begin{cases}&#10;center= ({{ h}},{{ k}})\\\\ b=\sqrt{c^2-a^2}&#10;\end{cases}

8 0
3 years ago
-1.78 – (-0.42) = x​
julia-pushkina [17]

Answer: x = - 1,36

Step-by-step explanation:

-1.78 – (-0.42) = x​

-1.78 + 0.42 = x

- 1,36 = x

x = - 1,36

8 0
3 years ago
Read 2 more answers
The reciprocal of 1 1/13
WINSTONCH [101]

Answer:

The answer is 14.

Step-by-step explanation:

the reciprocal or opposite of 1/13 is 13/1 convert 13/1 to 13 +  1 ( plus 1 from the whole number) and get 14.

8 0
3 years ago
Can someone help me? photo attached
kykrilka [37]
I don't think you can sorry
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3 years ago
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