Find the inverse of f(x) = -4+7/2x

Find The Inverse Of F(x) = -4+7/2x

Answers

Answer 1

Answer:

2/7x + 8/7

Step-by-step explanation:

f(x) = -4 + 7/2x

y = -4+7/2x

Exchange x and y

x = -4 +7/2y

Solve for y

Add 4 to each side

x+4 = -4+4 +7/2y

x+4 = 7/2y

Multiply each side by 2/7

2/7(x+4) = 2/7 * 7/2y

2/7(x+4) = y

2/7x + 8/7


Related Questions

A town planner lays out the design for a park on a coordinate grid. The point (1, 1) represents a point 1 foot north and 1 foot east of the center of the park at (0, 0). On the design, a triangular path within the park has vertices at (-350, 200), (300, -400), and (160, 500). What is the length of the triangular path, rounded to the nearest tenth of a foot?

Answers

9514 1404 393

Answer:

  2387.1 ft

Step-by-step explanation:

I find a spreadsheet to be a convenient tool for repeated calculations using the same formula. Here, the distance between two points is given by ...

  d = √((x2 -x1)² +(y2 -y1)²)

For example, the distance between the first two points is ...

  d = √((300 -(-350))² +(-400 -200)²) = √(422500 +360000) ≈ 884.59

Other distances are calculated the same way. The results are shown in the attached spreadsheet, which also adds them up.

The path length is 2387.1 feet.

The equation 6x + 5 = 5x + 11 +x-6 is true for all real numbers. Substitute a few real numbers for x to see that this is so and then try solving the equation. Describe
what happens.

Answers

Answer:

It will ALWAYS be true!

Step-by-step explanation:

Inputting any real or imaginary numbers such as i or e, (which are also known as complex numbers), and when put in the place of x will ALWAYS equal one another. You could put 1, 2, 3, etc. all the way up to infinity and still get the two equations equal to each other.

Hope this helped!

Jorge Is there a 15% tip for the waitress. The cost, C, of his dinner is $45.50. Use the equation below to determine the total,t, of Jorge’s dinner plus the tip.


A. $728

B. $113.75

C. $52.33

D. $6.83

Answers

Answer:

Below

Step-by-step explanation:

To find the total cost of Jorge's dinner, all you need to do is multiply the cost of his dinner by 1.15 (the tip amount)

     $45.50 x 1.15 = 52.325

                            = $52.33

Hope this helps!

What is an equation of the line that passes through the points (-5, -8)(−5,−8) and (-4, -6)(−4,−6)?

Answers

Answer:

Step-by-step explanation:

General equation of a line is y= mx+b,

where m is the slope and b is the y- intercept

For points (-5, -8) and (-4, -6) the slope is

m= difference in y / difference in x

m = [-6 - (-8)] / [-4 - (- 5)] = (-6+8)/(-4+5) = 2/1 =2

Now we know that y= 2x+b , to find b substitute the coordinate (x, y) with coordinate (-4, -6) -you could pick the other point if you want will work because both points are on the line.

-6 = 2(-4) +b , multiply

-6 = -8 + b, add 8 to both sides

-6+8 =b , add

2 =b

The equation of the line that passes through the points (-5, -8) and (-4, -6) is

y= 2x+2

First of all, you will find the gradient. The formula for finding the gradient is y2-y1 /x2-x1. - 6--8/-4--5.If two negatives meet they change to positive. - 6+8/-4+5=2/1,therefore the gradient is 2,after that then you will find the equation of the line. The formula for finding the equation of the line is y-y1=m(x-x1). y-(-8)=m(x--5),y+8=2(x+5),y+8=2x+10,y=2x+2.

4 and 1 over 4 divided by 1 and 7 over 8

Answers

Answer:

3 and 23 Over 32

Step-by-step explanation:

Done

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2.
It takes Troy 3 hours to mow his family's large lawn. With his little brother's help, he can
finish the job in only 2 hours. How long would it take the little brother to mow the entire
lawn alone ?
(A) 4 hr
(B) 5 hr
(C) 5.5 hr
(D) 6 hr
(E) 6.75 hr

Answers

Answer:

It takes four hours because the little bro is alone and only one lawn mower is used

HELPPPPPPPPPPPPPPPPPPPPPPP

Answers

false? i think? i’m so sorry if this is late or wrong

I hate financial maths. 20 points!!!

Answers

According to the table,

• € 1 = R 12,75

• $ 1 = € 0,70

• $ 1 = R 8,89

Then

€ 250 × (R 12,75 / € 1) = R 3.187,5

$ 1300 × (€ 0,70 / $ 1) = € 910

$ 680 × (R 8,89 / $ 1) = R 6.045,2

If I ate 80 pieces of candy, how much candy would I have left if I ate 3/4 of the candy

Answers

Answer:

20

Step-by-step explanation:

Divide 80 by 4, get 20,

20 40 60 80

Step-by-step explanation:

[tex]thank \: you[/tex]

3c = 2(c - 1)
How to write that as a verbal sentence

Answers

Answer:

3 times a value is equal to twice as much as it's predecessor.


Three angles of a triangle are the 4x or (4x-2) and (3x+6). Find x

Answers

Answer: x = 16

Step-by-step explanation:

4x + 4x-2 + 3x + 6 = 180 (being sum of triangle)

or, 11x + 4= 180

or, 11x = 176

so, x = 176/11

so, x = 16  

Qualitative forecasting techniques should be applied in situations where time series data exists, but where conditions are expected to change.
A. True
B. False

Answers

Answer:

B. False

Step-by-step explanation:

You are taking flying lessons to get a private pilot's license. The cost of the introductory lesson is 5/8 the cost of each additional lesson, which is $80. You have a total of $375 to spend on the flying lessons. How many lessons can you afford? How much money will you have left?

ANSWER:

Step-by-Step:​

Answers

Answer: 5 lessons with 5$ left over

Step-by-step explanation:

You can buy 5 lessons because 50 is 5/8 of 80, and 50 + 80 + 80 + 80 + 80 = 370

Question 2:
You are comparing the price of two different cars. The cost of car A f(x) after x years can be represented by the function:
Car A: f(x) = 22,500(0.88)x
The table shows the cost of car B g(x) after x years:
Car B:
1 year 24,750
2 years 20,495.48
3 years 16,970.26
g(x), cost in dollars




a) Is the cost of Car A increasing or decreasing? How do you know? By what percentage is it changing each year?





b)What is the percent change for Car B?






c)Whose percent change per year is greater, Car A or Car B?

Answers

I thinking that the answer is B.

Which of the following is equivalent to f(x)?

Answers

Answer:

D. [tex]x^{-3/2}[/tex]

Step-by-step explanation:

Given function:

[tex]f(x) = \frac{1}{x\sqrt{x} }[/tex]

Equivalent expression is:

[tex]\frac{1}{x\sqrt{x} } = x^{-1}x^{-1/2} = x^{-1 - 1/2} = x^{-3/2}[/tex]

Correct choice is D

which graph should Mr.Salinas use to presentation to the city council and why?

Answers

Answer:

The Salinas Plan

The Salinas Plan is a Ten-Year Plan designed to provide the City with a path forward on maintaining a long-term balanced budget while preserving City services and addressing the affordable housing crisis.  The Salinas Plan may be found here.

The Salinas Plan Story

The Salinas Plan was presented to the City Council by representatives of the National Resource Network on December 4, 2018.  The Salinas Plan represented over a year of work analyzing the City's fiscal situation and current housing policies.  The Salinas Plan presented the following key findings:

- The City of Salinas is on a fiscally unsustainable path.  While the City's revenues are growing at 2.4% per year, expenditures are growing at 2.9% per year.

Step-by-step explanation:

Find the total surface area.
A. 422 in²
B. 554 in²
C. 638 in²
D. 517 in²

Answers

Answer:

c

Step-by-step explanation:

you have to find the surface area of all sides. so (11*11)*2 and (11*9) *4 with this you get c. 638in square.

1. Dorothy was able to answer yes to 16/25 of the survey questions. What is 16/25
written as a decimal?

Answers

Answer:

16/25 as a decimal is 0.64

Step-by-step explanation:

Solve the equation

X/24 = 19



Answers

19 x 24 = 456
456/24 = 19
x = 456

Answer:

x = 456

Step-by-step explanation:

X/24 = 19

Multiply 24 by each side

X/24 * 24 = 19*24

x = 456

A piece of string is 1650 cm long.
It is cut into two unequal pieces.
One piece is 150 cm longer than the other.
How long is the smaller piece?

Answers

Answer: The smaller piece is 750m long.

Step-by-step explanation:

let the smaller piece be x

so

150m + x + x = 1650

150 + 2x = 1650

or, 2x = 1500

so, x = 750 m

You have 2 tablets, one is labeled 0.15 mg and the other is labeled 0.3 mg. What is the total dosage of these tablets? a) 0.35 mg b) less than 0.35 mg c) more than 0.35 mg​

Answers

c) more than 0.35 mg


0.15
+0.30
0.45

One airline carried 3,720 people on 31 flights between Portland and Los Angeles. If there were the same number on each flight, how many people were on each flight?
Please help ASAP!

Answers

Divide total people by total flights:

3720/31 = 120

There was 120 people on each flight

find the quotient of (6x^2+x-12)÷(2x+3)​

Answers

3x-4 is the quotient okkk

3x-4 is the answer to your question

I will give brainliest !!

Answers

Answer:

a

Step-by-step explanation:

7. Fuji the woodworker sells cribs. His start-up
costs total $2000. Labor and material for
each crib cost $185. If the formula for his
Cost(C) based on (n) number of cribs is:
C=2000 + 185n , Tell what the rate of change
is and what it tells us about Fuji's expenses.

Answers

Answer:

The rate of change is 185.

It tells us that Fuji's expenses increase by $185 for each additional crib made.

Step-by-step explanation:

In a linear equation, the rate of change is the change in y over the change in x.

In this situation, that means how much the cost will change based on the amount of cribs that Fuji has to make.

Since labor and material costs for each crib cost $185, 185 is the rate of change.

For every additional crib that Fuji makes, the cost will increase by $185.

So, the rate of change is 185 and it tells us that Fuji's expenses increase by $185 for each additional crib made.

help me plz now plz help me asap​

Answers

[tex]\\ \sf\longmapsto 0.49=\dfrac{49}{100}[/tex]

[tex]\\ \sf\longmapsto 0.093=\dfrac{93}{1000}[/tex]

[tex]\\ \sf\longmapsto 0.021=\dfrac{21}{1000}[/tex]

[tex]\\ \sf\longmapsto 0.103=\dfrac{103}{1000}[/tex]

1 Write the decimal equivalent for 6 3 Choose the correct answer below. 1 A. 6= 6.34 3 1 OB. 6-6.333333 63 OC. 69 = 6.33 D. 65 - 6.3 ​

Answers

Answer:

D

Step-by-step explanation:

Find the distance of GF if G(9,1) and F (0,2)

Answers

Answer:

9.06 units

Step-by-step explanation:

The distance formula for points on a graph is basically the Pythagorean Theorem

√(x2 - x1)² + (y2 - y1)²

Plug in the values and you'll get √82, which equals about 9.05539, or 9.06

I need help with this problem please

Answers

the perimeter is 38 units

Answer:

38

Step-by-step explanation:

10 + 4 + 2 + 9 = 25

That's the stuff we're given.

Now the other sides.

10 - 2 = 8,

9 - 4 = 5,

25 + 8 + 5 = 38


Find the slope of the line passing through the points (-2, 1) and (3,-7)

Answers

(-2,1)(3,-7)

[tex]\\ \rm\Rrightarrow Slope=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\\ \rm\Rrightarrow Slope=\dfrac{-7-1}{3+2}[/tex]

[tex]\\ \rm\Rrightarrow Slope=\dfrac{-8}{5}[/tex]

Answer:

- 8/5

Step-by-step explanation:

m = slope

m = change in y/change in x

m = (y2 - y1)/(x2 - x1)

m = -7 - 1/3 - -2

m = -8/5

m = - 8/5

The slope is - 8/5
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