Mathematics College

If f(x) = 2x, then f -(x) =
Please help

If F(x) = 2x, Then F -(x) =Please Help

Answers

Answer 1

Answer:

[tex]f^{-1}(x)= \frac{1}{2}x[/tex]

Step-by-step explanation:

Given

[tex]f(x) = 2x[/tex]

Required:

Find [tex]f^{-1}(x)[/tex]

[tex]f(x) = 2x[/tex]

Replace f(x) with y

[tex]y = 2x[/tex]

Swap both variables

[tex]x = 2y[/tex]

[tex]2y = x[/tex]

Make y the subject

[tex]y= \frac{1}{2}x[/tex]

Replace y with f-1(x)

[tex]f^{-1}(x)= \frac{1}{2}x[/tex]

Related Questions

Given a sphere with a diameter of 4 inches, what is the volume of the sphere.
Write it out.

Answers

Answer:

Using the formulas

V=4

3πr3

d=2r

Solving forV

V=1

6πd3=1

6·π·43≈33.51032in³

d=2r I tried hope it helped 4

what is 9 1/2 multiplied by 9 /5/2 in the simplest radical form

Answers

The answer is 109 1/4

how do u make school go by faster omxfg

Answers

Answer:

1. think about something else

2. talk to people

3. do something that you want to do

Answer:

1.) Snacks! Eat a snack during your most boring class, if you can.

2.) Daydream. Days go by for me so fast, as I'm a huge daydreamer, imagining my perfect life.

3.) Doodle. I have a friend who doodles all the time during class.

4.) Read.

5.) Music.

6.) Bathroom.

7.) Do homework.

(Brainliest please! :D)

List the following numbers in order from least to greatest.

2, -3, 9 what is this

Answers

-3, 2, 9 hope this helpedd

Answer:

-3, 2, 9

Step-by-step explanation:

What is 5 x 5 is it 25 or 35

Answers

Answer:

25 7 x 5 is 35

Step-by-step explanation:

hope this helps have a good rest of your afternoon :) ❤

Answer:

5 times 5 is 25.

Step-by-step explanation:

Hope this helps you dude

s h r e k (in a maid outfit)

what is the repricoral of 5/6

Answers

Answer:

6/5

Step-by-step explanation:

pls brainliest

Answer: 56

Step-by-step explanation:

Round to the nearest tenth

Answers

Answer:

17.7

Step-by-step explanation:

[tex]a^{2} =29^{2} -23^{2} \\a=\sqrt{312} \\=17.6635[/tex]

17.7 is the right answer

The width of a rectangle varies inversely with its length. If the width is 4 when the length is 12, find
the width when the length is 16.

Answers

Answer:

Yg skg sms skg skg eksklusif

Answer:

The answer is 8 :)

30% of what number is 33? ​

Answers

110 is the answer to that

Classify the angle pairs using all the names that apply.

Answers

Answer:

adjacent angle .................

I think it’s supplementary but look it up to be sure, hope this helps

If the simple interest on $4,000 for 7 years is $1,400, then what is the interest rate?

Answers

$1400 = $4000 × 7 × r / 100

$1400 = 28000 × r / 100

$ 1400 = $ 280 × r

rate = $1400 ÷ $ 280

rate = 5

ms . Morgan plans to serve cookies at a class party each package of cookies cost $2.49 and contains 6 cookies. Ms. Morgan has $17.00 to spend. Will ms. Morgan have enough money to provide each of her 19 students with 2 cookies each ?

Answers

Answer:

No

Step-by-step explanation:

A package has 6 cookies for $2.49

Ms. Morgan has 19 students. She wants to give each student 2 cookies, which means each package is enough for 3 students.

19 students × 2 cookies = 38 cookies is what you need

7 packages times $2.49 = $17.43

7 packages × 6 cookies = 42 cookies

42 cookies ÷ 19 students = 2.21 cookies for each student

Nimer was driving to a hotel he looked at his sat nav at 13:30 and saw the following, distance to destination =65 miles miner arrived at the hotel at 14:48

Answers

Step-by-step explanation:

The total is 37000.

Hope it helps for your education

Simplify answer

If Dan had 20 packs of gum and he didn't have any this week and next week he had 10 packs left. What happened to the other 10 packs of gum?

Answers

Answer:

He ate it or he may have ate some in some packs then refilled the other packs.

Step-by-step explanation:

Answer:

Someone else ate them!

HELPPP!!! WILL MARK BRAINLIEST OF RIGHT!!!

y=

Answers

Answer:

y = (x + 3)² - 1

Step-by-step explanation:

Mariana owed her grandmother $2.75 but was recently able to pay her back $1.25. How much does Mariana currently owe her grandmother?

Answers

mariana owes her grandma $1.50

125% of what number is 20

Answers

Answer:

16

Step-by-step explanation:

We can rewrite this as 125/100 · x = 20

This works because a percentage is out of 100, which means 125% is 125/100. "Of" usually means multiplied, and "what number" is the variable.

Now we can simplify this

125/100 · x = 20

5/4 · x = 20

x = 16

Evaluate 3(c + d) if c = 8 and d = -5

Answers

Substitution time :D

c = 8

d = -5


All you have to do is replace the variables(letters) with the numbers!


3(8 + (-5))

Do parentheses first! And remember that adding a negative is the same as subtracting :)

3(3) = 9

What is the value of 9/5( 8/3-1/6) ?

Answers

Answer:

Step-by-step explanation:

9/2

Answer:

9/2

Step-by-step explanation:

The area of a rectangle is 48 m^2 the length is (x+2) and width is (x). What is the value of x?

Answers

Answer:

Please find attached pdf

Step-by-step explanation:

Rose wants to buy a toy that costs $14. If she gives the cashier $20, which equation will tell you how much change Rose gets back?

Answers

Answer:

B) x + 14 = 20

Step-by-step explanation:

The "X" is the change. And the change has to equal 20. So it would be 6 + 14, since thats the only number that equals 20.

Therefore, it is B) x + 14 = 20.

A cylinder has volume 78 cm ^3. What is the volume of a cone with the same radius and height?

Group of answer choices

26 cm ^3

39 cm ^3

156 cm ^3

234 cm: ^3

Answers

Answer:Option A -

Step-by-step explanation:

sarah borrows $3,145 at a rate of 4 1/8% compounded annually. how much interest will she owe after 4.5 years​

Answers

Using compound interest, the total amount accrued, principal plus interest, with compound interest on a principal of $3,145.00 at a rate of 4.125% per year compounded 1 times per year over 4.5 years is $3,772.40.

Define compound interest?

Interest that is accrued on both principal and previous interest is known as compound interest. As a result, it is often referred to as "interest over the interest". Here, the principal is increased by the interest that has already accrued, and the resulting sum serves as the new principal for the subsequent period. i.e., compound interest is equal to interest on the principal plus interest on interest already paid.

First, convert R as a percent to r as a decimal.

r = R/100

r = 4.125/100

r = 0.04125 rate per year,

Then solve the equation for A

A = P [tex](1 + r/n)^{nt}[/tex]

A = 3,145.00 [tex](1 + 0.04125)^{4.5}[/tex]

A = $3,772.40

The total amount accrued, principal plus interest, with compound interest on a principal of $3,145.00 at a rate of 4.125% per year compounded 1 times per year over 4.5 years is $3,772.40.

To know more about compound interest, visit:

https://brainly.com/question/14295570

#SPJ1

HELP PLZZZZ !!!

An international company has 26,500 employees in one country. If this represents 31.9% of the company's employees, how many employees does it have in total? Round your answer to the nearest whole number.​

Answers

Answer

Step-by-step explanation:


Find the values of x and y

Answers

I am not sure if you are being asked to round to a certain point. So, here is the full number for both x and y. X is at the top and y is at the bottom.
x=14.3
y=7.8
Hope this helps

Match the Key Phrases to each inequality symbol.

Less than. greater than. lessthanorequal. Greater than or equal to. Options: Below, At most, Maximum, at least, smaller than, more than, minimum, no more than, larger than, no less than

Answers

Answer:

Step-by-step explanation:

≠ = not equal to.

> = greater than.

< = less than.

≥ = greater than or equal to.

≤ = less than or equal to.

In this video I give step by step directions for translating words into inequalities.

​These statements use the greater than symbol

>

More than

Exceeding

Above

Greater than

These statements use the greater than or equal  symbol ≥

At least

No fewer than

minimum

top

No less than

These statements use the less than symbol

<

Fewer than

Below

Less than

These statements use the greater than or equal symbol

≤

No more than

Not above

Does not exceed

At most

Bottom

Please brainlist hope this helps <3

An article reported that a survey of clothing worn by pedestrians killed at night in traffic accidents revealed that about 80 percent of the victims were wearing dark-colored clothing and 20 percent were wearing light-colored clothing. The conclusion drawn in the article was that it is safer to wear light-colored clothing at night.
(a) Is this conclusion justified? Explain.
(b) If your answer to part (a) is no, what other information would be needed before a final conclusion could be drawn?

Answers

Answer:

Explained below.

Step-by-step explanation:

A) We are not given a population percentage of people who wear dark or light clothes. For example, the number of people wearing dark cloths were maybe 700 and only 100 were killed.

So using the percentage of those killed to draw a conclusion is not a true representation of the reality. Thus, it is not justified to conclude that it is safer to wear light-colored clothing at night.

B) The additional information needed will be the population percentage of all pedestrians both those killed and those not killed who wore light-colored and dark colored clothing at night.

PLEASE ANSWER ITS SO EASY

Four friends order a 12" pizza to share. If
they share the pizza equally, how many
square inches would each person get?
*round to the nearest inch*

Answers

Step-by-step explanation:

they can all get 3 slices of pizza


A pack of 5 of board games costs $75.
If there is a direct proportion between the price (y) and number of board games (x), which equation represents the
situation?

Answers

Answer:

x:y

1:15

2:30

3:45

4:60

5:75

Step-by-step explanation:

Sally has 10 months to read all 60 books on the sixth grade reading list. What is the minimum rate Sally can read in order to
finish all the books in time?
OA 10 books per month
ОВ.
6 books per month
OC. 7 books per month
OD
5 books per month

Answers

Answer:

6 books per month

Step-by-step explanation:

because 6x10 equals 60

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