How can I tell that a graph is a function or not?

Answers

Answer 1

Answer:

You can use the vertical line test, which means anywhere you put it on the graph it should only pass through the line once.

Step-by-step explanation:

This insures that the graph does not have two of the same x values. However if it has two points that have the same x values that means it will not be a function.


Related Questions

The top of a 25-foot ladder is sliding down a wall at a rate of 3 feet per second. When the top of the ladder is 15 feet from the ground, what is the rate of change between the bottom of the ladder and the wall?

Answers

Answer:

1.8ft/s

Step-by-step explanation:

Using the formula for calculating Speed as shown:

Speed = Distance/Time

Time = Distance/Speed

t = d/s

Given

d1 = 25 foot

s1 = 3ft/s

d2 = 15ft

Required

s2

Using the formula;

d1/s1 = d2/s2

s2 = s1d2/d1

s2 = 3*15/25

s2 = 45/25

s2 = 1.8ft/s

Hence the rate of change between the bottom of the ladder and the wall is 1.8ft/s

which of the followiing units the Metric System Identify 5 units

Answers

ANSWER:

MEASURE OF BASIC SI UNIT

Distance meter

volume(capacity) liter

mass(weight) gram

time. seconds

Temperature. Degree (Celsius)

[tex]\frac{1}{2} x \frac{3}{4}[/tex]

Answers

I am pretty sure it is0.375

r
__ = 1.5
14

what does r equal

Answers

Answer:

answer is r=21

Step-by-step explanation:

multiply 1.5 with 14

Which three side lengths best describe the triangle in the diagram?
O NG
1
2
3
0 1 2
3 4
5 6 7 8 9 10 11 12 13
LLLLLLL
12 13
5
8 9 10 11
4
O NCS 2 3
2
O NOS
O A. 5 cm, 12 cm, and 13 cm
OB. 5 cm, 10 cm, and 13 cm
O C. 4 cm, 8 cm, and 12 cm
OD. 7 cm, 12 cm, and 13 cm

Answers

Step-by-step explanation:

Option A best describes the diagram given above.

Out of 498 applicants for a job, 187 have over 10 years of experience and 127 have over 10 years of experience and have a graduate degree. Step 1 of 2 : What is the probability that a randomly chosen applicant has a graduate degree, given that they have over 10 years of experience

Answers

Answer:

the probability that randomly selected applicants over 10 years of experience is 0.6791

Step-by-step explanation:

The computation of the probability that randomly selected applicants over 10 years of experience is as follows:

Total would be

= 187 have 10 + years experience

Now

P(graduate | 10+) = (graduate and 10+ years experience) ÷ (10 + years of experience)

= 127 ÷ 187

= 0.6791

Hence, the probability that randomly selected applicants over 10 years of experience is 0.6791

PLEASE ANSWER ASAP FOR BRANLEST!!!!!!!!!!!!!!!
Solve,Check, show work:

a) 2x + 7 = 15
b) 3/4x + 8 = -12

Answers

A)11

B)0.1875

Step-by-step explanation:

2x+7=15

2x+7-7=15+7

2x=22

2x/2=22/2

3.4x+8=-12

3/4x+8-8=-12+8

3/4x=-4

3/4divided by 3/4=-4 divided by 3/4

x=0.1875

SOMEONE HELP PLEASE !!!

n^2 - m; use m = 7, and n = 8

Answers

Answer:

57

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Step-by-step explanation:

Step 1: Define

n² - m

m = 7

n = 8

Step 2: Evaluate

Substitute:                    8² - 7Exponents:                   64 - 7Subtract:                       57

If you multiply a number by 3 and then subtract 5, you will get 40. What is the number?

Answers

Answer:

15

Step-by-step explanation:

Solve the problem backwards and it gives you the answer. Hope this helps

What is 6% of 15? Use a fraction to solve

Answers

Answer:

0.9

Step-by-step explanation:

can't really Explain, its simple mathamatics 6% of 15 = 0.9

A cell phone is originally priced at $80. The online retailer gives a discount and the cell phone is now priced at $40. Enter the percentage discount for the cost of the cell phone.

Answers

Answer: The percent that the phone is on sale is 50%. The discount if 40 dollars.1/2 of the total will be taken off.

What is the value of x^6+y^2x 6 +y 2 x, start superscript, 6, end superscript, plus, y, squared when x=1x=1x, equals, 1 and y=11y=11y, equals, 11?

Answers

Try 122.

Step-by-step explanation:

Since x = 1, x^6 = 1.

Since y = 11, 11^2 = 121.

1 + 121 = 122.

So, the value of x ^ 6 + y ^ 2 = 122.

Answer:82

Step-by-step explanation:

The area of a square field is 4,900 square meters. How long is one side
of the field?
O 70 meters
O 140 meters
O 560 meters
O 1225 meters

Answers

Answer:

1225

Step-by-step explanation:

divide by 4 because a square has 4 sides

A diagram of a swimming pool is shown.
3.5 m
What is the approximate circumference of the swimming pool? Use 3. 14 as an estimate for .
O A. 7m
OB. 11 m
OC. 22 m
OD. 28 m

Answers

Answer:

Yeah the answer is 22

Step-by-step explanation:

Good job! :)

please help y'all no matter what I do I cannot figure this out please help what number would you add to both sides to complete the square in this trinomial x ^ 2 + 6x = -5 and the options are 6 , 9 , 12 and please show how you did it so I can figure out the rest of my homework ​

Answers

Answer:

Im sorry im not sure

Step-by-step explanation:

One step equation

-104=8x​

Answers

x=-13 hopefully this helps

Answer:

The answer you gave can only be solved if you know what the Variable is.

Step-by-step explanation:

A one-step equation is an algebraic equation you can solve in only one step. Once you've solved it, you've found the value of the variable that makes the equation true. To solve one-step equations, we do the inverse (opposite) of whatever operation is being performed on the variable, so we get the variable by itself.

Could someone pls help me

Answers

Answer: Ik an easier way to answer it without waiting for someone to answer it for you. So all you have to do is search up the question for each expression and you'll find it. I remember doing this yesterday for nearly that exact worksheet but i forget the answers and cant go back so im just telling you how to find the answers your welcome

Step-by-step explanation:

Please help.. Please. Is this a positive trend or negative trend or no trend ​

Answers

Answer:

it's a no trend cause its literally nothing but dots

1. A 15-pound bag of sugar is being split into containers that hold of a pound. How many
containers of sugar will the 15-pound bag create?
The answer is: 17 1/7 containers. The work is on the photo

Answers

Answer:

yes

Step-by-step explanation:

yes

neeed helppp pleasseeee

Answers

-1/24 is the answer

When is subtraction always the first operation done in an expression? a. When it is the first operation in an expression, from left to right. b. When it follows addition in an expression. c. When it is in parentheses in an expression. d.Never. 1.

Answers

Answer:

Naruto usamaki is the greatest hokagey in the leaf village

Step-by-step explanation:

I took the test on edge

Mrs. Thaxton saved $700.00 to take her four grandchildren shopping. Her grandchildren are between the ages of 5 and 11. If Mrs. Thaxton spent $115.00 on each grandchild, how much money did she have left?

Answers

Answer:

240

Step-by-step explanation:

115x4=460

700-460=240

Find the area of triangle abc

Answers

Ne demek istoyusun anlamadım

Write an equation of the line that passes through (−2,3) and (0,8).

Answers

Answer:

[tex]y = \frac{5}{2}x + 8[/tex]

Step-by-step explanation:

(-2 , 3 ) ; (0 , 8)

Slope = [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

          [tex]= \frac{8-3}{0-[-2]}\\\\=\frac{5}{0+2}\\\\=\frac{5}{2}[/tex]

   m = 5/2 ; (0 , 8)

Equation: y -y1 = m(x -x1)

               [tex]y - 8 =\frac{5}{2}(x - 0)\\\\y - 8 =\frac{5}{2}x\\y = \frac{5}{2}x + 8[/tex]

The variables y and x have a proportional relationship, and y = 9 when x = 2. What is the value of y when x = 3? Enter your answer as a decimal in the box. ​

Answers

If they have a proportional relationship, then set them up as a proportion

9/2 = y/3.....9 to 2 = y to 3
cross multiply
(2)(y) = (9)(3)
2y = 27
y = 27/2
y = 13.5 <== so when x = 3, y = 13.5

write the ration in following three ways
12 mangoes to 36 fruits​

Answers

12/36, 12:36, and 1:3 I believe hope this helps

PLEASE ANSWER THIS ASAP, I WILL BE GIVING YOU A THANKS! ..

Answers

Answer:

D

Step-by-step explanation:

7 - z = 3 + z + 4 - 2z

7 - 3 - 4 = z - 2z + z

0 = 0 (Infinitely many solutions)

5(a + 4) - 15 = -5(a - 1)

5a + 20 - 15 = -5a + 5

5a + 5a = 5 - 20 + 15

10a = 40

10a/10 = 40

a = 4

(one solution)

-2d + 4d - 4 = 5 + 3(d - 3)

2d - 4 = 5 + 3d - 9

2d - 3d = 5 - 9 + 4

- d = 0

d = 0

(one solution)

-11(n - 2) + 8(n + 1) = -3(n + 10)

-11n + 22 + 8n + 8 = -3n - 30

-11n + 8n + 3n = -30 - 22 - 8

0 = -60

(no solutions)

for each one fifth, use a horizontal line or lines to show fractions equivalent to 1/5 and write the equivalent fractions

Answers

Answer:

2/10

Step-by-step explanation:

What involves examining and evaluating information, as well as weighing alternatives and considering consequences?

Answers

Answer: Critical Thinking.

Step-by-step explanation:

Critical thinking is the process of conceptualizing, applying, analyzing, synthesizing, and/or reviewing data acquired from, or generated by, observation, experience, reflection, reasoning, or communication actively and skillfully as a guide to intellectually disciplined belief and action.

2) If the bill is $100 and the tax rate is 10%, then the sales tax is how much
money? *
$ 20.00
$ 25.00
$ 10.00
$ 5.00
3) If the bill is $45.12 and the tax rate is 13%, then the sales tax is how much

Answers

2). I believe it would be 10.00

3). 5.86? I’m not sure if this is correct.
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