what does it mean to be a function how can you determine functionality of a relation or eqaution graph

Answers

Answer 1
Determining whether a relation is a function on a graph is relatively easy by using the vertical line test. If a vertical line crosses the relation on the graph only once in all locations, the relation is a function. However, if a vertical line crosses the relation more than once, the relation is not a function.

Related Questions



The original price of a jacket for sale at a department store is $80. The store is having a 20%-off sale, and you have
a coupon that gives you an additional discount of 10% off the lowest sale price. How would you calculate the final
selling price of the jacket?

O Multiply the $80 original price by 0.2 and subtract the result from $80. Then multiply the new price by 0.1 and
subtract the result from the discounted price.

O Multiply the $80 price by 0.3.

O Multiply the $80 price by 0.8, and then multiply the $80 price by 0.9.

O Divide the $80 price by 0.8, and then divide the $80 price by 0.9



i think it’s the first one

Answers

You're right; the answer is the first choice.

Answer:

first option ,  $57.6

Step-by-step explanation:

$80 x 0.20 = $16

$80 - $16 = $64

$64 x 0.10 = $6.4

$64 - $6.4 = $57.6

above solution is the exact steps on the first option.

therefore the final price of the jacket is $57.6

A greenhouse owner wants to test the effectiveness of a new fertilizer on African violets. She has 60 violet seedlings that were grown for 8 weeks. She wants to test the new fertilizer on 10 of the plants, and decides to use a random number table to select a simple random sample. Which of the following correctly labels the population of violets?

Answers

The required answer is she needs to number each plant from 1 to 60 and randomly peek at 10 of them. Option c is correct.

A greenhouse owner wants to test. She has 60 violet seedlings that were grown for 8 weeks. She wants to test the new fertilizer on 10 of the plants and decides to use a random number table to select a simple random sample. Which of the following correctly labels the population of violets Is to be determined.


What is probability?

Probability can be defined as the ratio of favorable outcomes to the total number of events.

As she has 60 seeds, firstly she must number each plant in order or randomly see the height, After that he can peek at random 10 plants to test the fertilizer.

Thus, the required answer is she needs to number each plant from 1 to 60 and randomly peek at 10 of them. Option c is correct.

Learn more about probability here:

brainly.com/question/14290572

#SPJ5

x-4y= -36 in slope form

Answers

y= 1/4x + 9 because you add the 4y to the right side and add 36 to the left side then divide everything by 4 you get x/4 + 36/4 = 4y/4

a small library has 4 times as many story books as puzzle books. if it has 32 puzzle books, how many story books does it have?

Answers

1048576 story books. because you do 32 to the power of 4

if 2 +2 is 4 how can 3+3=33​

Answers

Answer:

3+3=6

Step-by-step explanation:

Which of the following is the function represented
by the graph?

Answers

Answer:

D

Step-by-step explanation:

edge 2020

If im wrong then srry

Answer:

B

Step-by-step explanation:

f(x)=log1/4x

NEED HELP 45 POINTS PLZ

Is there enough information to prove that the triangles are congruent?

If yes, provide the correct Triangle Congruence Postulate or Theorem and a congruence statement.

If no, justify your answer.

Answers

Answer:

I have given the answer in the chat box as i was not able to post officialy

Step-by-step explanation:

what is equelivlent to 3 to the 5th power

Answers

Answer:

343

Step-by-step explanation:

3*3*3*3*3=243

Helpoooooooooooooooooooo

Answers

Answer:

1. x >/= -1

2. x < 4

3. x </= -1

4. x >/= -2

5. x < -3

6. x </= 7

Step-by-step explanation:

Find the integers m and n such that (m+n√2)(1-√2)²=-2+2√2​

Answers

Answer:

m = n = 2

Step-by-step explanation:

(m + n√2)(1 - √2)² = -2 + 2√2

(m + n√2)(1 - 2√2 + 2) = -2 + 2√2

(m + n√2)(3 - 2√2) = -2 + 2√2

3m - 2m√2 + 3n√2 - 4n = - 2 + 2√2

(3n - 2m)√2 + 3m - 4n = 2√2 - 2

3n - 2m = 2

4n - 3m = 2

3n - 2m = 4n - 3m

n = m

4n - 3n = 2

n = 2

m = 2

slope = 3/4 , goes through the point (0, 6)

Answers

Answer:

y = 3/4x + 6

Step-by-step explanation:

I WILL MARK BRAINLIST

Answers

I think the answer is E

pepper jackie has 7.5 bags of much to cover

Answers

Answer:

0.625 is equal to 5/8 bag,

Step-by-step explanation:

Answer:

Less Than 1 Bag

Step-by-step explanation:

I-Ready

If 4j+3=-5. what is j +9?

Answers

Answer:

7

Step-by-step explanation:

First, we solve for j in the first equation:

4j+3=-5

4j=-8

j=-2

Now we plug j into j+9:

-2+9=7

So j+9 is 7

how do i solve this question 2x-14=4(p+5) ? all ik it that i have to distribute first.

Answers

Answer:

x=(4p+34)/2

p=(2x-34)/4

Step-by-step explanation:

2x-14=4(p+5)

2x-14=4p+20

2x=4p+34

If you are solving for x, it would be:

2x/2=4p+34/2

x=(4p+34)/2

If you are olving for p, it would be:

2x-34=4p

Divide 4 from both sides:

(2x-34)/4=p or p=(2x-34)/4

How do you do this question?

Answers

Answer:

-0.391 < x < 0.391

Step-by-step explanation:

The Maclaurin series for cosine is:

cos(x) = ∑ (-1)ⁿ x²ⁿ / (2n)!

So the next term would be -x⁶/6!.  When the absolute value of this is less than the error:

│-x⁶/6!│< 0.000005

x⁶ / 720 < 0.000005

x⁶ < 0.0036

-0.391 < x < 0.391



Write the function rule for the function shown below reflected in the given axis.

​f(x)​x; ​-axis

Let​ g(x) be the reflection of​ f(x) in the ​-axis. What is the function rule for​ g(x)?

​g(x)

nothing

Answers

Answer:

The answer is "[tex]\bold{g(x) = -\frac{1}{2x} \ and \ g(x)= -3x-12}[/tex]".

Step-by-step explanation:

Please find the complete question in the attached file.

[tex]\to f(x) = 4x[/tex]

Following the y-axis reflexion, f(x) is 4(-x) = -4x after a [tex]\frac{1}{8}[/tex] vertical compression factor, f(x) is [tex]\frac{1}{8} \times -4x = \frac{1}{-2x}[/tex]

So, the [tex]g(x) = - \frac{1}{2x}[/tex]  

 The y axis reflecting indicates that its entire function is multiplied by -1  

so, [tex]f(x)=3x+12^{-1}[/tex]

[tex]\to g(x)=-3x-12[/tex]

Two less than three-fourths of a number is, at most, negative seventeen. what is the range of values for the number?

Answers

Answer:

[tex]x\leq -20[/tex]

values ranging from minus infinity to negative 20

Step-by-step explanation:

we write the inequality associated with the text in terms of the unknown number "x" as:

[tex]\frac{3}{4} x-2\leq -17[/tex]

then, we solve for "x" by adding 2 to both sides, and then isolating "x" on the left as shown below:

[tex]\frac{3}{4} x-2\leq -17\\\frac{3}{4} x\leq -17+2\\\frac{3}{4} x\leq -15\\3\,x\leq -60\\x\leq -\frac{60}{3} \\x\leq -20[/tex]

then, the range of x-values is from minus infinity to negative 20

the sum of two numbers is 45 and the different is 21.what are the numbers

Answers

a + b = 45
a - b = 21
a = 21 + b
Use substitution
21 + b + b = 45
2b = 24
b = 12
45 - 12 = 33
The numbers are 33 and 12

please help 8x -4 - 6x + 9 ​

Answers

your answer should be 2x+5 if you are supposed to simply the expression

What shapes has 4 lines of symmetry

Answers

Step-by-step explanation:

Shapes having four lines of symmetry is :

[tex]{ \underline{ \boxed{ \green{ \sf{square}}}}}[/tex]

A square has 4 lines of symmetry

What is square?

A square is a regular quadrilateral, which means that it has four equal sides and four equal angles

What is symmetry?

Symmetry in everyday language refers to a sense of harmonious and beautiful proportion and balance

A square has 4 line of symmetry which is shown in the figure

Hence, the square has 4 line of symmetry

Learn more about square and symmetry here

https://brainly.com/question/3222287

#SPJ2

Rachel is buying lunch for herself and two friends . She has a coupon for $20 off the total bill. Rachel wants to spend less than $60. Write an inequality to find out the cost of the meal if they all order the same meal for lunch.

Answers

If C represents the cost of the meal then
3c - 20 < 60

Emmett went to the chocolate store and bought 5 pounds of chocolate. If 2⁄3 of the chocolate was white chocolate, how many pounds of white chocolate did he purchase?

Answers

Answer:

3.3, somethin like dat

Step-by-step explanation:

Emmet seems kinda thicc

Lisa and Audrey were selling pizzas to raise money for new cheerleading uniforms. Lisa
sold 7 pizzas for every 2 pizzas Audrey sold. Together they sold 288 pizzas. How many
pizzas did Lisa sell and how many pizzas did Audrey sell?

Answers

Answer:

Call the number of pizzas x;They buy pizzas from the supplier at:4x+100They sell at:7xWhen these two expressions match they will start to make a profit; so:4x+100=7xRearranging:3x=100x=1003=33.3So after the 33rd pizza they will start to make a profit.For example at the 34th they have payed:34%C3%974+100=236$ to the supplier;Selling they will get: 7%C3%9734=238$. sorry if this is complex

help me out again :)

Answers

Mixed: 2 2/3
Improper: 8/3

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

a ) Mixed number :

[tex]2 \frac{2}{3} \\ [/tex]

_________________________________

b ) Improper fraction :

[tex] \frac{8}{3} \\ [/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Will mark brainliest! Please help

Answers

Answer:

#1 - correct

#2 - correct

#3 - 4[tex]\frac{1}{4}[/tex]

#4 - 7 [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

Hope this helps. Can I have Brainliest too?

Answer:

1. 2/3

2. 18/49

3. 4 1/2

4. 7 1/2

Step-by-step explanation:

I just did KCF(Keep,Change,Flip)

heres how i done it

3/7 x 7/2 = 21/14 =2/3

hope it helps :)

Autumn bought a scarf that costs 6 dollars and a watch that costs 19 dollars. At the counter, she received a discount. If she only paid 22 dollars total, how many dollars was the discount?

Answers

Answer:

19 + 6 = 25_ 25 - 3 = 22

Step-by-step explanation:

Good luck

What agreement did Britain and the United States make in the Treaty of 1818?
joint control of the Oregon Country for ten years
joint control of West Florida for ten years
O joint control of fishing rights off Canada for ten years
O joint control of Latin America

Answers

Answer:

A

Step-by-step explanation:

Unit Test on a Edge today. ; )

Answer:

its A

Step-by-step explanation:

i got a 100  on my quiz

What is Point-Slope Form? What is Slope Intercept Form? What is the Slope Formula?

i included pictures please help it closes in 30 minutes pls give exact answers

Answers

Answer:

For the first part

1.) Negative

2.)zero

3.) undefined

4.) positive

The point slope formula is y-y1=m(x-x1). It is best to use if you already know the slope and one other point on the line. It is used to find another point on the line.

The slope-intercept form is used to show a line. To use this form, you need to know the slope and the y-intercept.

The slope formula is y=mx+b. M is the slope while b is the y-intercept.

Plot the points on your graph paper to answer the question.

Are the paired points in a proportional relationship?



Drag and drop the correct answer into the box.

The paired values Response area in a proportional relationship.

Answers

Answer:

its are

Step-by-step explanation:

Answer:

The paired values are in a proportional.

Step-by-step explanation:

Hope it helps! :)

Other Questions
21) With which statement would the speaker be MOST LIKELY to agree,based on the character traits revealed in the passage?A)All voters are well informed.B) Voting is not very effective.Politics is only for the very few.D)Politics requires learning and study. Anyone know if so help please Sarah earns $9 an hour at a Morts Pizza Palace, working 20 hours per week. She spends $3 each week for snacks at work, but saves all her other earnings. How many hours must Sarah work to buy a new phone that costs $150? the average American uses 83 gallons of water every day. of you lived in Africa you lived in Africa you would have to walk to collect this water and carry it home. It takes 3 hrs to collect 5 gallons of water.how many hrs to collect 83 gallons of water? round answer to 1 place decimal. What is the answer to this please help Which could most likely describe the three surfaces?Surface 1 is ice, Surface 2 is gravel, and Surface 3is blacktop.Surface 1 is gravel, Surface 2 is ice, and Surface 3is blacktop.Surface 1 is blacktop, Surface 2 is gravel, andSurface 3 is ice.Surface 1 is blacktop, Surface 2 is ice, and Surface3 is gravel. The function of an enzyme depends upon the enzyme's shape and Desde un rascacielos de 300 m de altura se lanza un objeto con una velocidad inicial de 50 m/s. Calcula el tiempo que transcurre hasta que llega al suelo y con qu velocidad llega en cada uno de los casos: a) Si se lanza verticalmente hacia arriba. b) Si se lanza verticalmente hacia abajo. c) Si se lanza horizontalmente (En este caso calcular tambin la distancia al edificio cuando llega al suelo) d) Si se lanza con un ngulo de 30o (Calcular tambin distancia al edificio) In your report, you need textual evidence to support your claim that August has been a record-cold month in Portland, Maine. Which sentence below is the best example of a fact that acts as textual evidence?It was cold, thats for sure, noted meteorologist Mike Wilson.Many said it seemed like the coldest August ever seen in our area.The average temperature for the 31 days of August was 67 degrees.The newspaper said that high temperatures on August 10 only reached 49 degrees. A recipe for chicken marinade says, "Mix 3 parts oil with 2 parts soy sauce and 1 part orange juice." If you need 42 cups of marinade in all, how much of each ingredient should you use? Can I get help please? Angle measures and segment lengths. Algebra Find the value of each variable. Dan earns 8.80per hour. How much will he earn for 7 hours work Explain ways through which the land is damaged by water logging and salinity can be restoredPLZ IT'S URGENT!!!!!!!!I"LL MARK BRAINLIEST What condition would an increase in bicarbonate ion lead to? A. acidosis B. diabetes mellitus C. alkalosis D. renal calculi a corner self is 1/4 of a circle and has the radius of 10.5 inches. enter the area of the self in square inches. can you round it to nearest hundredth? CAUSE EFFECT Desire to turn U.S. citizens against Germany Which of the following government agencies would complete the chart? War Industries Board Selective Service Act The National War Labor Board Committee of Public Information If you had a time machine what time in history would you go back to and why? An airplane is preparing to land at an airport. It is 44,8000 feet above the ground and is descending at the rate of 3,100 feet per minute. At the same airport, another airplane is taking off and will ascend at the rate of 2,500 feet per minute. When will the two airplanes be at the same altitude and what will that altitude be? Use two other methods to solve the problem. Explain which methods are easier to use and which are more difficult to use for the situation. Answer the following parts asked.