Mathematics High School

Х
15
9
18
9
y
17
9
4
Is this relation a function?
yes
no

159189y1794Is This Relation A Function?yesno

Answers

Answer 1

To be a relation of a function for every value of x there must be a single value of y thus the given relation is not a function.

What is a function?

A certain kind of relationship called a function binds inputs to essentially one output.

The machine will only accept specified inputs, described as the function's domain, and will potentially produce one output for each input.

As per the given table,

At x = 9

y = 9 and y = 3

Since at a single value of x there exist two values of y thus it will not be a function.

Hence "The provided relation is not a function since there must only be one value of y for a relationship to be considered a function.".

For more about the function,

brainly.com/question/23712366

#SPJ1

Related Questions

pls help me once again not a test​

Answers

Answer:

oop it looks like I am helping again! lol

1 and 1/10

Step-by-step explanation:

0.25 + 0.45 + 0.40 = 1.10

1.10 as a fraction is 11/10

11/10 simplified is 1 and 1/10

hope this helps lol :)

7. Four points are graphed on the coordinate grid.
A Point W
B. Point V
C. Point S
D. Point R
Which point is best represented by the ordered pair (2,-5,5)

Answers

Don’t click that link. The answer is W

The measures of the angles of a triangle are shown in the figure below. Solve for x. ​

Answers

Answer:

?

Step-by-step explanation:

I can't see anything attached but I know all angles of a triangle add up to 180 degrees. It probably doesn't help tho.

Answer:

Since no figure is shown, i'll give you a hint.

Step-by-step explanation:

All angles inside a triangle equal 180 when combined.

i'll help more if you post the photo.

Solve the equation b/4 +2=-1

Answers

Answer:

b = -4

Step-by-step explanation:

[tex]\frac{b}{4} + 2 = 1\\\\\frac{b}{4} = -1\\\\b = -4[/tex]

Preform the indicated operation. √75 + √12

Answers

Answer:

the exact form is [tex]7 \sqrt{3}\\[/tex] but the decimal form is 12.124 :)))

Step-by-step explanation:

Please help! I need it rn tysm <3

Answers

Answer:

B

Step-by-step explanation:

because you have a number multiplied 3 times, and you subtract 4 to that, which results in 4 less than 3 times a number

Put in order from smallest to largest 1, 7/16, 0, 5/2, 2/13, 5/9

Answers

Answer:

0 < 2/13 < 7/16 < 5/9 < 1 < 5/2

Step-by-step explanation:

7/16=0.4375
5/2=2.5
2/13=0.154
5/9=0.55
0, 2/13, 7/16, 5/9, 1, 2.5

I need help pls I don’t understand it

Answers

12x12 + 12x12 = 288 = root of 288= 16.97

A street light is 7.5 feet tall casts a 3-foot-long shadow A nearby flagpole casts a 16.5 foot long shadow what is the height of the flag pole

Answers

Answer:

h = 41.25 foot

Step-by-step explanation:

Given that,

Height of a street light = 7.5 feet

It casts a 3-foot-long shadow.

A nearby flagpole casts a 16.5 foot long shadow. We need to find the height of the flag pole. Let the height be h. It can be calculated as :

[tex]\dfrac{\text{height of street light}}{\text{height of shadow of street light}}=\dfrac{\text{height of flagpole}}{\text{height of shadow of the flag pole}}\\\\\dfrac{7.5}{3}=\dfrac{h}{16.5}\\\\h=\dfrac{7.5\times 16.5}{3}\\\\h=41.25\ foot[/tex]

So, the height of the flag pole is equal to 41.25 foot.

The height of the flag pole is 41.25 feet tall.

Word problems in mathematics are methods used to solve real-life cases. They usually follow a logical approach with the use of arithmetic operations when solving them.

From the parameters given:

If 7.5 feet tall  casts = 3-foot long shadow

Let the height of the flag pole be = x

∴

(x) feet tall casts = 16.5 foot long shadow.

To determine the height of the flag pole, we have:

[tex]\mathbf{x = \dfrac{7.5 feet \ tall \times 16.5 \ foot \ long} {3 \ foot \ long} }[/tex]

x = 41.25 feet tall

Learn more about word problems here:

https://brainly.com/question/21405634


CAN SOMEONE PLS HELP I RLLY NEED HELP ASAP ANY HELP WOULD BE ENOUGH PLS AND TY PLS

Answers

Answer:

x = 25°

Step-by-step explanation:

The secant- secant angle is half the difference of the intercepted arcs, that is

x = [tex]\frac{1}{2}[/tex] (80 - 30)° = 0.5 × 50° = 25°

Answer:

x = 25°

Step-by-step explanation:

Hope this helps

Find k so that x + 2 is a factor of x ^ 3 - k * x ^ 2 + 2x + 7k. (If anyone could help me out with this that would be amazing!!)

Answers

Answer:

k = 4

Step-by-step explanation:

If x + 2 is a factor of the polynomial;

By the factor theorem, if we set x + 2 = 0, then make x the subject of the formula; if we substitute the value into the polynomial, the result we should have after calculating should be zero

So, we have it that;

x + 2 = 0

x = -2

Substitute into the polynomial and equate to zero

(-2)^3 - k (-2)^2 + 2(-2) + 7k = 0

-8 -4k -4 + 7k = 0

-12 -4k + 7k = 0

-12 + 3k = 0

-3k = -12

k = -12/-3

k = 4

The area of a triangle is 12 1/2 the area of a parallelogram with the same base and height.

True or false?

Answers

Answer: True

Step-by-step explanation: Hope this help :D

Find out whether the angles are adjacent or vertical. Then find the value of x.

Answers

Answer:

x = 20

Step-by-step explanation:

angles are adjacent and add up to 180 degrees, so:

7x + x + 20 = 180

8x + 20 = 180

8x = 160

x = 20

What's the value of
[tex] \sqrt{25} + 5 + 10 - 5[/tex]
​

Answers

Answer:

Step-by-step explanation: also it’s 15

[tex] \sqrt{25} + 5 + 10 - 5 \\ 5 + 5 + 10 - 5 \\10 + 10 - 5 \\ 20 - 5 \\ = 15[/tex]

[tex] \\ [/tex]

What’s the length of the triangle round it to the nearest tenth.

Answers

√(12^2-3^2)
=12 (nearest tenth)

Leland hit the target 45 times in 50
shots using a bow and arrow. Based
on his first 50 shots, what would be a
reasonable prediction of the number
of times Leland would hit the target
in 200 shots?

Answers

Answer:

180

Step-by-step explanation:

200/50=4

45x4=180

Please help me !! I don’t know how to work this problem

Answers

Answer:

A. and B. are true.

Step-by-step explanation:

For a, -4 + 3(-5) = -19, and 18 is obviously greater.

For b, -7 - 2(-5) = 3, and 3 is greater than 1.

Help this is due in 2 minutes

Answers

B.



Assuming the percent is out of 100, we subtract 100-78 because milton is experiencing a decrease. If Milton were to experience an increase, we would have to add one to the .78 which would make it 1.78, but since that is not the case we know it is a decaying function. Which leaves you with b being your correct answer

Help me pleaseee I’ll mark brainliest!!

Answers

Answer:

your answer would be 339

Step-by-step explanation:

i used a circle calculator

you would multiply 2.25 and 24

which gives you 54

and you wanna find the circumference i dont knowhow to do that but it would be 339

Help me figure out what "w" is

Answers

Answer:

w = 17.4º OR 17 2/5º

Step-by-step explanation:

5w - 3 = 90º

5w = 90º - 3

5w = 87º

w = 17.4º OR 17 2/5º

Hope that helps, and sorry if it's wrong!

find two numbers that multiply to 36 and add to -20

Answers

Answer:

-18+2 hope it will help u

The average distance from Earth to the Moon is approximately 238,900 miles. what is the distance in scientific notations?​

Answers

( 476,000 miles in general )

Plzz help!!! Will give Brainiest

Answers

The three acute angles are 70 and the obtuse ones are 110.

There are 420 students at Virginia Middle School. For every 7 students, 4 of them are girls. How many girls are there at Virginia Middle School?

Answers

Answer:60

Step-by-step explanation:

60 girls that was too easy

Can someone help me write and solve an equation to this word problem : A seventh grade class sells gift cards. Each gift card sells for $15.00. The school library gets 35% of the money earned for each gift card sold. How much money does the library get if the class sells 500 gift cards

Answers

Answer:

The anwser should be 2625

Step-by-step explanation:

35% of 15 is 5.25

5.25 multiple by 500 is 2,625

PLS HELP ASAP!!!!!


I BEG!!!!

Answers

Answer:

A

Step-by-step explanation

The circle is filled in which means that -10 is included. and it is going to the right which means it is greater than -10. Hope this helps!

Answer A, x is greater than and equal to -10.

(NO FAKE LINKS PLS) Use the geometric mean to find the value of e

Answers

Answer:

I have already answered this in your last question:)

Jenny used a total of 3 5/6 gallons of gas while driving her car. Each hour she was driving, she used 7/9 gallons of gas. What was the total number of hours she was driving?

Answers

Answer:

Jenny drove for about 4.93 hours

Step-by-step explanation:

Jenny uses 7/9 gallons of gas per hour.

She used a total of 3 5/6 gallons.

If x is the number of hours she drove, then she used 7x/9 gallons.

X* 7/9 = 3 5/6

3 5/6 can be converted to an improper fraction.

((3*6)+5) / 6 = 23/6 gallons

=> x * 7/9 = 23/6

=> x = (23/6) / (7/9)

=> x = (23/6) * (9/7)

=> x = 69/14

=> x = 4.928571429 hours.

The ground pool for a hot air balloon can see the balloon in the sky at an angle of elevation of 11°. The pilot radios the crew that the balloon is 950 feet above the ground. What is the horizontal distance from the balloon to the ground crew.

Answers

Answer:

4,886.83feet

Step-by-step explanation:

The question will result in a right triangle with

Opposite = distance of the balloon above the ground = 950feet

Angle of elevation = 11 degrees

Required

Horizontal distance h (adjacent)

Using SOH CAH TOA identity

Tan theta =opp/adj

Tan 11 = 950/h

h = 950/tan 11

h = 950/0.1944

h = 4,886.83feet

Hence the horizontal distance from the balloon to the ground crew is 4,886.83feet

Select all that apply. Given the points (3, 2) and (6, 4), which of the following are true about the line passing through these points? The point (-6, 9) is also on the line. The line has a slope of . The line has a slope of . The line represents a direct variation function.

Answers

Answer:

The point (-6, 9) is also on the line. False

The line has a slope of . (this statment is incomplete!)

The line has a slope of . (this statment is incomplete!)

The line represents a direct variation function. True ( y=2/3x )

Answer:

Slope of the line through the points  (3,2), (6,4) is (4-2)/(6-3) = 2/3

"The line has a slope of 3/2".   False, the slope is 2/3 not 3/2

"The line represents a direct variation function".  True, as y = (2/3)x     (which is a direct variation)

"The line has a slope of 2/3". True (as just proved by number one)

"The point (-6,9) is also on the line".  Does y = (2/3) x 9 = (2/3) (-6) = -4?

No sir it does not so that's False.

Step-by-step explanation:

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