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3 years ago

Give the domain and range.

Mathematics

2 answers:

lozanna [386]3 years ago

8 0

Answer:

D = { -2, 0 2}

R = { -3,-1 ,1 }

Step-by-step explanation:

The domain is the input or x values

D = { -2, 0 2}

The range is the output or y values

R = { -3,-1 ,1 }

luda_lava [24]3 years ago

5 0

Answer:

Step-by-step explanation:

The domain is the x coordinates which are {-2,0,2}

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Consider the following set of ages of students is a college seminar.

jonny [76]

Answer:

1) $\sum\limits_{i=2}^{6}x_{i}=116$

2) $\sum\limits_{i=1}^{4}x_{i}=87$

Step-by-step explanation:

Given that $x_{1}=21,x_{2}=23,x_{3}=22,x_{4}=21,x_{5}=24,x_{6}=26,x_{7}=28$

1) Given that $\sum\limits_{i=2}^{6}x_{i}$

To find $\sum\limits_{i=2}^{6}x_{i}$

Expanding the sums below to solve it

$\sum\limits_{i=2}^{6}x_{i}=x_{2}+x_{3}+x_{4}+x_{5}+x_{6}$

$=23+22+21+24+26$ (adding the terms )

$=116$

Therefore $\sum\limits_{i=2}^{6}x_{i}=116$

2) Given that $\sum\limits_{i=1}^{4}x_{i}$

To find $\sum\limits_{i=1}^{4}x_{i}$

Expanding the sums below to solve it

$\sum\limits_{i=1}^{4}x_{i}=x_{1}+x_{2}+x_{3}+x_{4}$

$=21+23+22+21$ (adding the terms )

$=87$

Therefore $\sum\limits_{i=1}^{4}x_{i}=87$

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3 years ago

What is 4 divided by 3,296<br><img src="https://tex.z-dn.net/?f=4%20%5Csqrt%7B3296%7D%20" id="TexFormula1" title="4 \sqrt{3296}

Murrr4er [49]

14.35, square root 3296 and then multiply by 4.

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4 years ago

5) Find the unit rate.<br> 30 degree drop in 6 hours

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Answer:

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4 years ago

A textbook search committee is considering 19 books for possible adoption. The committee has decided to select 7 of the 19 for f

spin [16.1K]

It can be done in 50388 ways

Step-by-step explanation:

When the selection has to be made without order, combinations are used.

The formula for combination is:

$C(n,r) =\frac{n!}{r!(n-r)!}$

Here

Total books = n =19

Books to be chosen = r = 7

Putting the values

$C(19,7) = \frac{19!}{7!(19-7)!}\\\\=\frac{19!}{7!12!}\\\\=50388\ ways$

It can be done in 50388 ways

Keywords: Combination, selection

Learn more about combinations at:

#LearnwithBrainly

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3 years ago