Does the following represent a function?
f = [ (3, -1), (2, 5), (4, -6), (3, 4), (5, -8) ]

Answers

Answer 1

Answer:

Not a function

Since x= produces y- -1 and y=-4, the relation (3,-1),(2,5),(4,-6),(3,4),(5,-8) is not a function.


Related Questions

Using BODMAS, I think but please help!!!

And show the steps

Answers

Answer:

= 12

Step-by-step explanation:

2 × {4 ÷ 2 -5}^2 -6

Solve the brackets first

2 × { 2 -5}^2 -6

2 ×{-3 }^2 -6

2 × 9 -6

18 -6

= 12

Step-by-step explanation:

[ 4 ÷ 2 - 5 ] ² - 6

(2 - 5)² - 6

(-3)² - 6

9 - 6

= 3

Find the area of this triangle. Round to the nearest tenth. 8m, 62°, 12m.

Answers

9514 1404 393

Answer:

  42.4 m²

Step-by-step explanation:

The area can be found from the formula ...

  Area = 1/2ab·sin(C)

  Area = (1/2)(8 m)(12 m)sin(62°) ≈ 42.4 m²

evaluate the expression -(5/7)^0

Answers

Answer:

1

Step-by-step explanation:

please help will give you brainly

Answers

Answer:

-1/2

Step-by-step explanation:

3(y+13 )=36

y+13=12

y=-1

(1/2) x -1 = -1/2

3(y + 13) = 36

Distribute the 3

3y + 39 = 36

Subtract 39 from both sides.

3y = -3

Divide both sides by 3

y = -1

1/2y = 1/2(-1) = -1/2

The following set of points are on the graph of a function:

X Y
2 5
3 6
4 7
5 8
6 9
7 10
Which point would be on the inverse of this function?
A (-6-3)
B (9,6)
C (-10-7)

Answers

Answer:

your needed answer is 9,7 ok

Which equation represents a line that passes through the points (5,-2) and (8,4)?
A. y= -2x*8

B. y= 1/2x-9/2

C. y=x-6

D. y=2x-12

Answers

Answer:

The correct choice is option D. y = 2x -12

Step-by-step explanation:

slope of the points (5,-2) and (8,4) is m = 2

y — intercept of the points (5,-2) and (8,4) is b = -12

Now, put it all together, and you'll get :  y = 2x -12

Solve the equation below

x/7 = 6 ​

Answers

9514 1404 393

Answer:

  x = 42

Step-by-step explanation:

You know from your multiplication tables that ...

  42/7 = 6

  x = 42

__

If you like, you can solve this by multiplying both sides of the equation by 7.

  (x/7)(7) = 6(7)

  x = 42

Answer:  The correct answer is:  " x = 42 . "

_____________________

Step-by-step explanation:

------------------------------------------

Given:

 x/7 = 6 ;   Solve for "x" ;

_____________________

 "x" divided by "7" equals "6" ;

to solve for "x"

______________________

Multiply Each Side of the equation by "7" :

______________________

 →  "  7 * [tex](\frac{x}{7}) = 6 * (7)[/tex] ;

______________________

On the "left-hand side" of the equation; the "7's" cancel out;  

   → {since: " 7 / 7 = 1 " } ;

___________________

and on the "right-hand side" of the equestion:  

    →  6 * 7 = 42 ;

___________________

So; we have:  " x = 42 " ; which is our answer.

___________________

Hope this is helpful!

 Best of luck to you!

___________________

Convert 6% to a fraction in a simplest form

Answers

Answer:

[tex]\frac{3}{50}[/tex]

Step-by-step explanation:

6% = [tex]\frac{6}{100}[/tex]

= 0.06

= [tex]\frac{0.06}{1}[/tex] × [tex]\frac{100}{100}[/tex]

= [tex]\frac{6}{100}[/tex]

= [tex]\frac{3}{50}[/tex]

Luis buys 0.56 pound of power pasta. Mariana buys 0.27 pound of power pasta. How much do they buy in all?

Answers

Add the two amounts together:

0.56 + 0.27 = 0.83 pounds total

Word Problem:

Luis buys 0.56 pound of power pasta. Mariana buys 0.27 pound of power pasta. How much do they buy in all?

Solution:

First, understand the problem.

Luis buys 0.56 pounds of power pasta.

Mariana buys 0.27 pound of power pasta.

Then, add the bus of Luis and Mariana.

Luis buys + Mariana buys = N0.56 + 0.27 = NN = 0.83

Answer:Therefore, 0.83 buy in all.

Under her cell phone plan, Gianna pays a flat cost of $57 per month and $3 per
gigabyte. She wants to keep her bill under $90 per month. Which inequality can be
used to determine x, the maximum number of gigabytes Gianna can use while
staying within her budget?

Answers

Answer:

3x + 57 ≤ 90

Step-by-step explanation:

Answer:

3x+57<90

Step-by-step explanation:

Have a good day :)

please show work 3d – 4 + d = 8d – (-12)

Answers

Answer:

d = -4

Step-by-step explanation:

3d – 4 + d = 8d – (-12)

3d - 4 + d = 8d + 12

4d - 4 = 8d + 12

(4d - 4d) - 4 = (8d - 4d) + 12

-4 = 4d + 12

-4 - 12 = 4d (+ 12 - 12)

-16 = 4d

-16/4 = 4d/4

d = -4

Answer:

d= -4

Step-by-step explanation:

3d- 4 +d = 8d + 12

4d - 4 = 8d + 12

4d = 8d + 16

-4d = 16

d= -4

Check

-12 - 4 - 4 = -32 + 12

-20 = -20

14 644 552 + 25 625 568




ayud estoy haciendo tarea :3

Answers

Answer:

14644552+25625568

=40270120

Step-by-step explanation:

is right answer

Evaluate x + 2.7 for x= -1.5.
The value of the expression is

Answers

[tex]\text{x}=-1,5\\\\\text{x}+2,7=-1,5+2,7=2,7-1,5=\boxed{1,2}[/tex]

Translate the word phrase into an algebraic expression: 6 divided into 12x.

Answers

Answer:

12x/6

Step-by-step explanation:

6 is being divided into 12x so you ask yourself what is 12x divided by 6 and that is your algebraic expression.

Anybody know the awnser to number 4 and 5 please awnser fast if you know it

Answers

Answer:

the final answer of 4 should be 24 7/12.

Step-by-step explanation:

Can someone help (Geometry)

Answers

Answer:

∠DAC is 35°

Step-by-step explanation:

Given:

Measure of ∠DAB = 64°

Measure of ∠CAB = 29°

Solution:

∠DAB shows the value of the overall angle.

∠CAB shows the value for almost half of the angle.

∠DAB - ∠CAB = ∠DAC

64° - 29° = ?

∴ 64° - 29° = 35°

Hence, the value of ∠DAC is 35°

NEED HELP NOW WILL MARK BRANLIEST

Show all work to multiply quantity 3 plus the square root of negative 16 end quantity times quantity 6 minus the square root of negative 64 end quantity (10 points)

Answers

Answer:

50

Step-by-step explanation:

Quantity 3 plus the square root of negative 16 end quantity:

3 + √-16

Quantity 6 minus the square root of negative 64 end quantity:

6 - √-64

Multiply the two above:

(3 + √-16)(6 - √-64) = (3 + 4√-1)(6 - 8√-1) = (3 + 4i)(6 - 8i) = 3*6 - 3*8i + 6*4i - 4i*8i = 18 - 24i + 24i - 32i² = 18 - 32(-1) = 18 + 32 = 50

There are 6 times as many dogs as cats . If the total number of dogs and cats is 21 , how many dogs are there?

Answers

3 cause 3x6=18 18+3=21

Answer:

126 cats .................

126 dogs........

Alix is 6 inches shorter thelan Ben. Alix is p inches tall. Write an expression to show how tall Ben is

Answers

Answer:

p+6

Step-by-step explanation:

I need help look at the attached image​

Answers

Well if he owes $45 and has 5 friends offering, you would just need to divide. So 45/5 is 9. So each of his friends owe $9. Or if he and his friends are paying/splitting it then it would be 45/6 which is 7.5, so he and his friends would all owe $7.50. But I don’t know if he and friends are paying or just friends. Hope this helps

given g(x) = x2−4
find g(-3)

Answers

Answer:

Step-by-step explanation:

First we have to match these two terms

g(x)= g(-3)

Now we just replace the -3 with the x

-3^2 - 4

9-4

5 ----> the final answer

(btw the negative turned positive because it is squared)


Make up a data set (n = 10) that has the same minimum value, same median, and same maximum value, but a larger IQR than the boxplot shown.
a. Give your 10 numbers.
b. Give the 5-number summary for your data.
c. Describe your strategy for figuring this out.

Answers

The 10 hypothetical numbers which meets the conditions given on the question may include :

1, 2, 3, 5, 6, 6, 7, 10, 10, 12

The five number summary include the maximum, minimum, lower quartile, Median and upper quartile of a distribution.

The five number summary of the hypothetical data are:

Median: 6

Minimum: 1

Maximum: 12

Lower quartile: 2.75

Upper quartile: 10

Comparing the 5 - number summary of the hypothetical data with that of the given boxplot.

From the given  boxplot shown :

Minimum value = 1

Maximum value = 12

Median = 6

LOWER QUARTILE, Q1 = 4

UPPER QUARTILE, Q3 = 8

IQR = (Q3 - Q1) = 8 - 4 = 4

THE 10 made up numbers :

1, 2, 3, 5, 6, 6, 7, 10, 10, 12

The five number summary for the made up data :

Median = 1/2(n+1)th term = 5.5th term = (6+6)/2 = 6

Minimum: 1

Maximum: 12

First quartile = 1/4(n+1)th = 2.75th term = (2+3)/2 = 2.5

Third quartile: 3/4(n+1)th term = 8.25 = (10+10)/2 = 10

Interquartile Range: (10 - 2.5) = 7.5

The original data values and hypothetical data have the same minimum and maximum and median values. The hypothetical data has an higher IQR value than the original data.

Learn more : https://brainly.com/question/12992903?referrer=searchResults

Fill in the blank by choosing the most appropriate word.

Regression equations are usually used to predict values of unavailable data. If the data do not closely model a particular type of function, then that type of function is not appropriate to use in statistical regression. The more closely data fit a model, the more _______________ predicted values will be.
a.
accurate
b.
quadratic
c.
scattered
d.
variable

Answers

The correct option is (a) i.e. Regression equations are usually used to predict values of unavailable data. If the data do not closely model a particular type of function, then that type of function is not appropriate to use in statistical regression. The more closely data fit a model, the more accurate predicted values will be.

What is Regression analysis?

A collection of statistical techniques known as regression analysis is used to estimate the associations between a dependent variable and one or more independent variables. It can be used to simulate the long-term link between variables and gauge how strongly the relationships between them are related.

Although there are non-linear regression techniques for more complex data and analysis, simple linear regression and multiple linear regression are the two fundamental types of regression. While multiple linear regression employs two or more independent factors to predict the outcome, simple linear regression just uses one independent variable to explain or predict the outcome of the dependent variable Y. (while holding all others constant).

Professionals in other industries, including banking and investment, might benefit from regression. Regression can also aid in predicting sales for a business based on external factors like the weather, past sales, GDP growth, and other variables. A popular regression model in finance for valuing assets and calculating capital expenses is the capital asset pricing model (CAPM).

To learn more about Regression analysis, visit the link :

https://brainly.com/question/28178214

#SPJ1

If you can make 12 cookies in 10 minutes, how long does it take to make 200 cookies

Answers

Answer:

12 cookies = 10minutes

200 cookies = x minutes

cross multiply

200×10 = 12x

2000= 12x

divide both sides by 12

X = 166.67 minutes

Step-by-step explanation:

that is 200 cookies will take 166.67 minutes

Answer:

[tex]12 \: cookies \: in \: 10 \: minut \: \\ 1 \: cookie \: in \: \frac{10}{12} = \frac{5}{6} \: minute \\ for \: 200 \: cookies = \frac{5}{6} \times 200 = 166.67 \: minute \\ thank \: you[/tex]

Solve for the value of R

Answers

Answer:

13

Step-by-step explanation:

Since the angles form 180 degrees, it will be what the equation is equal to.

Make the equation:

8r + 5 + 5r + 6 = 180

Combine like terms:

8r + 5 + 5r + 6 = 180

13r + 5 + 6 = 180

13r + 11 = 180

Solve:

13r + 11 = 180

       -11     -11

---------------------

     13r = 169

    ------   ------

      13      13

        r = 13

Hope this helped.

I think 13 I don’t know for sure though

Find the area of this figure. round your answer to the nearest hundredth.

Answers

Answer:

49.12 ft^2

Step-by-step explanation:

The triangle:

Area = 1/2 * base * height

= 1/2 * 6 * 8

= 24

The semicircle:

Area = 1/2 * 3.14 * 4^2

= 25 .12

Total area = 24 + 25.12

= 49.12 fT^2

Multiply
(s - 5)(2s + 7)
(s - 5)(25+7)=(Simplify your answer.)

(SOMEONE PLEASE ANSWER)

Answers

(s - 5)(2s + 7) =

= 2s² + 7s - 10s - 35 =

= 2s² - 3s - 35

Answer:

2s² - 3s - 35 {final answer}

Step-by-step explanation:

Let's find simplest form of equation,

→ (s - 5)(2s + 7)

→ 2s² + 7s - 10s - 35

→ 2s²- 3s - 35

Thus, the answer is 2s²- 3s - 35.

Hello Brainly User please help me I will mark brainliest. Its really east math please help me

Answers

1. not function
not function
not function (i’m pretty sure)

2. not function
function


-.0666
Rational or
Irrational?
WHY

Answers

Answer:

It's irrational

Step-by-step explanation:

An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point.

Answer:

Rational

Step-by-step explanation:

Irrational numbers go on FOREVER.

An example is

1. π

2.[tex]\sqrt{2}[/tex]

....

Surds are irrational. A surd is a square root of a number that goes on forever.

Some irrational numbers have recurring digits (repeating digits)

10/3 is an example:

3. 333333333333333333333333333333333333333333............

if (a^-1+b^-1)(a+b)^-1=a^mb^n.prove that a^(m-n)=1.​

Answers

Answer:

46666

Step-by-step explanation:

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