Which of the following is a one-to-one functions?

Answers

Answer 1

Answer:

A function f : X → Y is said to be one to one (or injective function), if the images of distinct elements of X under f are distinct, i.e., for every x1 , x2 ∈ X, f(x1 ) = f(x2 ) implies x1 = x2 . Otherwise, it is called many to one function.


Related Questions

Two Forest Ranger stations are located 9.8 miles apart. They both receive the same distress call. They determine that from Ranger Station 1 the distress call is at an angle of 46° and from Ranger Station 2 it is at angle of 52°. Which ranger station is closer to the distress call and by how much?

Answers

Answer:

Ranger station 2 is closer by 3.47 miles

Step-by-step explanation:

tan(46)=O/9.8

O (ranger station 2 to distress call)=10.15 miles

sin(46)=9.8/H

H (ranger station 1 to distress call)=13.62 miles

13.62-10.15=3.47 miles

So, ranger station 2 is closer by 3.47 miles

PLEASE ILL GIVE BRAINLIEST!!! help

Answers

Answer:

first equation goes with the #3

second equation goes with the #1

third goes with the #4

Step-by-step explanation:

hope I helped

Evaluate 6(-3) -1-51 +131 =

-20
-10
16

Answers

6(-3)-1-51+131=
-18-1-51+131=
-70+131=61

help me solve this problem please and explain if u can

Answers

is this flvs

Step-by-step explanation:

On Tuesday, Marissa was $45 short of her fundraising goal. The next day, she was $5 over her goal write an equation to show how much she raised in one day.

Answers

Answer: Hello daema, let's let x be the goal and c be the collection per day.

x - 45 + c = x + 5 is the answer so now let's talk about how we did that.

So she wants to get to x which is the goal. But right now she has 45 less than what her goal is. So that would look like this x - 45 now she has to get c or the collection per day to get to her goal. So now it looks like this x - 45 + c. Now that c has to be at least x which is her goal, it now will look like this x - 45 + c = x. But we're not done, the question said that now she 5$ over her goal, or x. So we have to add the + 5 onto the end so now it looks like this x - 45 + c = x + 5. To solve the equation "if you have to" it would be x = 50$ per day.


Find the value of x.
25
65°

Answers

Answer:

The answer is x= 10.6

Step-by-step explanation:

because C and D are both bigger numbers then the side that is given so those are eliminated and you're left with A and B and there is no way it can be B because thats to big of a number so its A

Devin reads 2 pages of a book every 3 minutes. Which proportion could be solved to find x, the number of minutes it will take to read 6 pages?

Answers

Answer: The answer would be 2/3 = x/9

It would take 9 minutes to read 6 pages as per the proportional relationship.

What is proportionality?

proportionality is defined as between two or more sets of values, and how these values are related to each other in the sense are they directly proportional or inversely proportional to each other.

Here,
Let y be the number of pages, and x be the time,
According to the quesiton,
x/y = 3 / 2

Now,
Put y = 6
x/6 = 3/2
x = 9 minutes

Thus, it would take 9 minutes to read 6 pages as per the proportional relationship.

Learn more about proportionality here: https://brainly.com/question/22620356

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what the answer please tell me?

Answers

s = 141.37

9/2 = 4.5 = r
5 = h

2π4.5(5)
2π22.5
45π = 141.37

PLS HELP FOR BRAINLIST!
Look at picture below and please solve. If possible, it would be great if you could show your work! TYSM!

Answers

Answer:

-2,-2,-2

Step-by-step explanation:

When you add -2 to itself, it equals -4. When you add -2 to -4, you get -6.

Answer: -2

Step-by-step explanation: -2 + -2 +-2 = -6


Will give brandy list

Answers

the Answer is A.20 because 90+70 is 160 and you need 20 more to make it 180

plz help branniest to whoever is right

Answers

It would be Y=2/B because that’s where the middle point of the parabola is

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

Answers

Answer:

128°

Step-by-step explanation:

that is an opposite angle

Answer: The value of x=128

Step-by-step explanation:

When you put it in equation form you get x=128

Is 0.3 greater than 0.09

Answers

Answer:

Yes, because 9 is in the hundreths place and 3 is in the tenths

Step-by-step explanation:

Answer:

Step-by-step explanation:

no because 0.3 is the same as 3/10 and 0.9 is the same as 9/10 wich is greater

NEED HELP! find the slope of the line that passes through the two given points (-3,4) and (-3, -8)

Answers

Answer:

Y=0

Step-by-step explanation:

The x axis is the same making the line a horizontal line. A horizontal line has a slope of 0

hat is the slope and y-intercept of the linear function?

y = -8x + 2

Answers

Answer:

-8

Step-by-step explanation:

Okay so in y=mx+b equations like this one, m is the slope, so whatever number before x is the slope


Question 5. What is the value of E? How do you know?

Answers

Answer:

74 degrees because E is alternate interior angles with the other 74 degrees angle.

Step-by-step explanation:

1. For the exponential function y = 2^x:
a) What is the y-intercept?
b) What is the domain?
c) What is the range?
d) What is the equation of the asymptote?

Answers

Answer:

C

Step-by-step explanation:

wejekeiowowpweiajeisoaoeiejehsjsusha

Solve the following quadratic equation
(x-18)^2=1.
A. x = 19 and x = 17
B. x = -19 and x = -17
C. x = -19 and x = 17
D. x = 19 and x = -17

Answers

the answer is A. x=19 and x=17

To solve the quadratic equation (x - 18)^2 = 1, we can take the square root of both sides and consider the positive and negative roots. Here's how we can proceed:

Taking the square root of both sides gives us:

x - 18 = ±√1

Simplifying the square root of 1, we have:

x - 18 = ±1

Now, let's solve for x by considering both the positive and negative cases:

Case 1: x - 18 = 1

Adding 18 to both sides:

x = 1 + 18

x = 19

Case 2: x - 18 = -1

Adding 18 to both sides:

x = -1 + 18

x = 17

Leading to our final correct answer is:

A. x = 19 and x = 17

ヾ(•ω•`)o

Which table represents viable solutions for y = 5x, where x is the number of tickets sold for the school play and y is the amount of money collected for the tickets?

A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries negative 100, negative 25, 40, 600. The second column is labeled money collected (y) with entries negative 500, negative 125, 250, 3000.
A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries negative 20, 20, 100, 109. The second column is labeled money collected (y) with entries negative 100, 100, 500, 545.
A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries 0, 10, 51, 400. The second column is labeled money collected (y) with entries 0, 50, 255, 2000.
A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries 5, 65, 80, 200. The second column is labeled money collected (y) with entries 25, 350, 400, 1000.

Answers

Third table is true with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries 0, 10, 51, 400 and the second column is labeled money collected (y) with entries 0, 50, 255,2000.

Here, the equation is given as;

y = 5x

Where, x is the number of tickets sold for the school play and y is the amount of money collected for the tickets.

What is linear equation?

A linear equation is an algebraic equation of the form y = mx + b

involving only a constant and a first order (linear) term.

Now, we have the following equation;

y = 5 x

For finding the table that complies with this restriction and also have the corresponding values for x and y.

The third table complies with the given condition and has correct values for the given variables;

⇒ x = 0 then y = 0

⇒ x = 10 then y= 50

⇒ x = 51 then y = 255

⇒ x = 400 then y = 2000

Clearly, Third table is true with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries 0, 10, 51, 400 and the second column is labeled money collected (y) with entries 0, 50, 255,2000.

Learn more about the Linear equation visit:

https://brainly.in/question/5130012

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Answer:

Step-by-step explanation:

Which table represents viable solutions for y = 5x, where x is the number of tickets sold for the school play and y is the amount of money collected for the tickets?

A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries negative 100, negative 25, 40, 600. The second column is labeled money collected (y) with entries negative 500, negative 125, 250, 3000.

A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries negative 20, 20, 100, 109. The second column is labeled money collected (y) with entries negative 100, 100, 500, 545.

A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries 0, 10, 51, 400. The second column is labeled money collected (y) with entries 0, 50, 255, 2000.

A 2-column table with 4 rows titled School Play Tickets. The first column is labeled tickets (x) with entries 5, 65, 80, 200. The second column is labeled money collected (y) with entries 25, 350, 400, 1000.

Mark this and return

How do you find the slope of (14,-8) and (7,-6)

Answers

Use the formula: y^2 - y^1 divided by x^2 - x^1.
x^1= 14, y^1= -8, x^2= 7, y^2= -6
Plug it in: -6- -8 divided by 7-14
Answer: 2/-7

What inequality represents the solution to
1.5x + 4.5 < 2.75x – 5.5?

Answers

Answer:

Step-by-step explanation:

1.5x + 4.5 < 2.75x – 5.5

10 < 1.25x

8 < x

a number which only 2 factors is called a ​

Answers

Answer:

prime number

Step-by-step explanation:

Please Help! I'll give brainliest!

Answers

A is the answer I think


Can someone help me with this?

Answers

Answer:

I'm pretty sure it's 1, 2, and 3, but I'm not positive

I need help please this sucks

Answers

Answer:

32.2

Step-by-step explanation:

23 / 5 = 4.6

4.6 x 7 = 32.2


Help me please and thank you

Answers

Answer:

4.2 hours

Step-by-step explanation:

He spends 6 hours helping customers and 1.8 doing paperwork.






Equivalent Ratio

9:36=
21:27=
48:72=
60:45=
10:70=​

Answers

9514 1404 393

Answer:

1:47:92:34:31:7

Step-by-step explanation:

Reduced ratios are found by removing (dividing out) the greatest common factor (GCF). For several of these, that factor is the smallest number or the difference between the numbers. Knowledge of multiplication tables is helpful.

  9 : 36 = 1 : 4 . . . . common factor of 9

  21 : 27  = 7 : 9 . . . . common factor of 3

  48 : 72 = 2 : 3 . . . . common factor of 24

  60 : 45 = 4 : 3 . . . . common factor of 15

  10 : 70 = 1 : 7 . . . . common factor of 10

_____

Comment on GCF

The greatest common factor can be found from your knowledge of multiplication tables and/or divisibility rules. It can also be found using Euclid's algorithm. For that, you ...

  Divide the larger number by the smaller and keep the remainder.

  If the remainder is 0, the smaller is the GCF.

  If the remainder is not zero, replace the larger number with the remainder and repeat from the first step.

Example:

  27/21 = 1 r 6

  21/6 = 3 r 3

  6/3 = 2 r 0 . . . . 3 is the GCF of 21 and 27

Which expression is equivalent to 6(5m-7)

a 11m-13
b 11m-42
c 30m-13
d 30m-42

Answers

Answer:

30m-42 (D)

Step-by-step explanation:

Let's evaluate the expression,

6(5m-7)

30m-42

If you have any questions, let me know!

Find the value of x in the angle pair.

Answers

Answer:

x=30

Step-by-step explanation:

180-55=125

5x-25=125

125+25=150

5x=150

5/150=30

x=30

9. What is the inverse of y = 10x -2?

Answers

Answer:

Step-by-step explanation:

F-^1(x)+x/10+1/5

Step-by-step explanation:

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