what is the inverse of f(x)=x^2+5

Answers

Answer 1

Answer:

[tex]\sqrt{X-5}[/tex], [tex]-\sqrt{X-5}[/tex]

Step-by-step explanation:

Replace X with Y

solve for Y; X = Y^2 + 5

subtract 5 from both sides

X - 5 = Y^2

take the square root

Y = plus or minus sqrt(X-5)

sqrt(X-5); -sqrt(X-5)


Related Questions

why does this have ads

Answers

Answer:The reason for brainly having ads is because this platform is free, therefore they need ad revenue

Step-by-step explanation:

Answer:

[tex]beinggreat78~here~to~help![/tex]

Brainly has ads to pay for their web page. Most web pages that are free-to-use have ads so that they can afford the bills for their company. However, I would not recommend clicking random ads. If your account is old enough, or you have Brainly Plus, you can go ad-free and gets tons of answers a day!


Find the surface area of a cylinder with a base radius of 2in and a height of 4in use the value 3.14 for n

Answers

Answer:

  75.36 in²

Step-by-step explanation:

The surface area of a cylinder can be found from the formula ...

  A = 2πr(r +h) . . . . . where r is the radius and h is the height

__

Using the given dimensions, we find the area to be ...

  A = 2(3.14)(2 in)(2 in + 4 in) = 75.36 in²

The surface area of the cylinder is about 75.36 square inches.

A bag of apples weighs 6 2/7 pounds . A crate of bananas is 4 times as heavy as the apples. How much heavier are the bananas than the apples

Answers

18.87 lbs heavier
Work:
6.29 = apple weight
6.29•4=25.16
25.16 = banana weight
25.16-6.29=18.87
18.87 is the difference between the apples and bananas so therefore is how much heavier the bananas are

Call the weight of the bag of apples as x (x = 6 2/7)

Since the crate of bananas is 4 times as heavy as the apples -> the crate of bananas = 4x

So, to find the weight difference, we minus those : 4x - x = 3x

Now we convert this : 3x = 3 x 6 2/7 = 132/7

Convert to :
Mixed : 18 6/7
Decimals (3 d.p) : 18.857...

A rectangle has an area of 54 sq. cm and a length of 6 cm. Find its width

Answers

Answer:

9 cm

Step-by-step explanation:

A= lw

54=6w

9=w

Answer:

9 cm

Step-by-step explanation:

⇒ Area of rectangle = (L)(B)

Substitute the length, breadth, and the area in the formula:

⇒ Area of rectangle = (L)(B) = 54 cm²

⇒ (6)(B) = 54 cm²

Divide 6 both sides:

⇒ (6)(B)/6 = 54/6 cm²

⇒ B = 9 cm

Thus, the measure of the width is 9 cm.

The area of a rectangle is 56 cm. The length is 2 cm more then x and the width is 5 cm less than twice x. Solve for x. ROund to the nearest whole number.

Answers

Answer:

x^{2} -3x=46

Step-by-step explanation:

First, we know that the area of the rectangle is L x W.

[tex]L= x+2\\W= x-5\\(x+2) * (x-5)=56[/tex]

So, we would get [tex]x^{2} -5x+2x-10[/tex]=56

[tex]x^{2} -3x=46[/tex]

What are all the values of x that make the inequality 8 - 3x < 20 true?

Answers

hello!

Let's solve this inequality.

First of all, subtract 8 from both sides:-

[tex]\sf{-3x < 20-8}[/tex]

[tex]\sf{-3x < 12}[/tex]

Divide both sides by -3:-

[tex]\sf{x > -4}[/tex]

Notice that the inequality sign changed...

Here's the rule:-

When you multiply/divide both sides by a negative number, you flip the inequality sign; so if we have "less than" it becomes "greater than" and so on...

So these are the values of x that will make the inequality true:-

[tex]\bigstar{\boxed{\pmb{The~numbers~greater~than~-4}}}[/tex]

Well, -3 is greater than 4 :)

Let's plug it in and see if it makes the inequality true:-

-3>-4

Yes, it does make the inequality true :)

note:-

Hope everything is clear; if you need any clarification/explanation, kindly let me know, and I will comment and/or edit my answer :)

PLEASE HELP!!
Find the missing side lengths. Round decimals to the nearest tenth.

Answers

Answer: 36.2

Step-by-step explanation:

A train travels with a constant speed of 88 km/h. How far can it travel in 3 hours??? PLEASE HELPP

Answers

Since it is traveling at a constant rate of 88 km per hour, if we were to find out what it could travel in 3 hours we would multiply 88 by 3. If done correctly you should get 264. Hopefully this helps you!

You are shopping at a dvd store and have $49.50 to spend each dvd cost $4.25 estimate how many dvds you buy.

Answers

Answer:

You can get 11 dvds

Solve for x to the nearest tenth!

Answers

Step-by-step explanation:

REFER TO THE ATTACHMENT!!

HOPE IT WILL HELP YOU

Answer:

my answer is 11.4

Step-by-step explanation:

solve for the first triangle which has both sides then solve the other

What is the value of

-8(17-12)
—————
-2(8-(-2)

-4
-2
2
4

Answers

Answer:

4

Step-by-step explanation:

smart

What are the period and amplitude
of the function?

period T; amplitude : 1.5

period T; amplitude
3

period : z; amplitude : 1.5
O period
~; amplitude : 3

Answers

Answer:

period is pie/2 and amplitude is 3

the meaning of amplitude is on the photo

Please someone help!!!!
Kristine observes the top of a lookout tower from a point 220 ft from its base.

If the indicated angle of elevation measures 37º, how tall is the tower? Give your answer to the nearest tenth of a foot.

Answers

Answer:

165.8 ft (nearest tenth)

Step-by-step explanation:

We can use the tan trig ratio to calculate the height of the tower.

[tex]\sf tan(\theta)=\dfrac{O}{A}[/tex]

where:

[tex]\theta[/tex] = the angleO = the side opposite the angleA = the side adjacent the angle

From inspection of the diagram:

[tex]\theta[/tex] = 37°O = height of tower (let's call this h)A = 220 ft

Substituting these values into the trig tan ratio:

[tex]\sf \implies tan(37)=\dfrac{h}{220}[/tex]

Multiply both sides by 220:

[tex]\sf \implies 220tan(37)=h[/tex]

[tex]\sf \implies h=220tan(37)[/tex]

[tex]\sf \implies h=165.781891[/tex]

Therefore, the height of the tower is 165.8 ft (nearest tenth)

10^3 I need some help can someone help

Answers

Answer:

1000 my friend

Step-by-step explanation:

Answer:

10³ = 1000

Step-by-step explanation:

hope this helps

Writing an equation in slope-intercept form given
A line passes through the point (-1, 8) and has a slope of -9.
Write an equation in slope-intercept form for this line.

Answers

Answer:

y = -9x - 1

Step-by-step explanation:

Step 1:

y = 8, x = -1

By putting the above values in equation (i)

8 = -9 (-1) + b

8 = 9 + b

-1 = b

b = -1

y = -9x - 1

Josh studied for his
science test from
3:45 p.m. until
5:30 p.m each day for
three days. how long
did he study in all?

Answers

he studied for 495 minutes. 165 minutes a day.

Answer: He studied for 315 minutes. Because he studied for 1hr and 45 mins (105 mins). Then you multiply this by 3 because it's been three days.

Hope this helps!

help please! it’s Geometry

Answers

I can’t see the screen can you resend the photo

Solve for x and round to nearest tenth <3

Answers

it might be 45! best of luck:)

anybody know if your suppose to use the pie symbol or the numbers when doing math

Answers

Answer:

Depends on the question or if it specifically says to.

Step-by-step explanation:

For finding the volume of cylinders and spheres use the pi symbol or just say "use 3.14 for pi"

A parallelogram has an area of 136.96 square kilometers and a height of 12.8 kilometers. What is the length of the base?

Answers

Answer:

the answer is 10.7

Step-by-step explanation:

[tex]136.96 \div 12.8 [/tex]

that show give you your answer

When planning space exploration, scientists face many
challenges. One issue is the weight of the items being
transported. They can use the engineering design process
to help minimize the weight of materials on board a
spacecraft.
The engineering design process starts with a statement of the problem to be
solved. Which sentence best states the problem described above?
O A. Metal is stronger than plastic, but it is also much heavier.
OB. Space vessels must carry heavy equipment but also minimize
weight.
O C. The longer a space flight will last, the more equipment must be
carried
D. Lower gravity on the Moon means that objects weigh less on the
Moon than on Earth.

Answers

Answer: Space vessels must carry heavy equipment but also minimize weight.

Step-by-step explanation:

i got it right on a p e x

The radius of a circle is 5.9 centimeters. Enter the area of the circle, in square centimeters. Round your answer to the nearest hundredth.​

Answers

109.36 to nearest hundredth

A= pi x r x r

= pi x 5.9 x 5.9

= 109.3588....

Hope this helps!

Which of the following points is in the solution set of y < x^2 - 2x - 8?
(4, 0)
(-2, -1)
(0, -2)

Answers

Answer:

(4,0)

Step-by-step explanation:

Out of the given answers (4,0) would be correct

Noah is making grilled cheese sandwiches for friends. He has 24 ounces of cheese. He plans to split the cheese evenly between 6 sandwiches.

Write an equation to determine how many ounces of cheese, ccc, Noah can use on each sandwich.

Answers

Answer:

24 / 6 = ccc

Step-by-step explanation:

There is 24 oz of cheese total that will be split evenly (divided) into 6 parts.

Each part will equal one sandwich worth of cheese (ccc) on the other side of the equation.

This one is very simple to solve, you could just calculate 24/6 to get your answer. But I'll go through it using typical algebra you would use for a less simple equation.

To solve:

Multiply by 6 to cancel the division by 6 on the left side

24 = 6ccc

Divide by 6 to isolate ccc again

4 = ccc

So each sandwich would get 4oz of cheese.

Your final balance on an investment of $130 invested at 8% was $182.00. For what period of time did you invest?​

Answers

Answer:

17.5 months.

Step-by-step explanation:

17.5 months hopes this helps

Please Can I Get Some Help






All so anyone Know Who Clown Pierce is hes my profile too

Answers

Answer:

7

Step-by-step explanation:

yep

Answer:

I think it would answer 7

Step-by-step explanation:

hope that helps

2) A square piece of land was divided by a 850-meter diagonal fence. One side of the land measures 700 m. how many meters of fence does the owner need to complete the fencing of half of the land? formod hy nutting i smuares fonether 1 souare is at the center. What is the​

Answers

The length of fence materials needed to cover a land of sides 700m ,700m and 850m is 2250 meters

Perimeter of Flat Shapes

Given Data

Diagonal = 850 meterSide of fence = 700 meterShape of land = Square

Since the shape of the land is that of a square

All the sides will be 700 meter

Dividing the land into two pieces, the side will be

700, 700, 850

hence the length of fence needed to cover the land is

Perimeter = 700+700+850

Perimeter = 2250 meters

Learn more about perimeter here:

https://brainly.com/question/24304697

helpppppppppppppppppppppppppppppp​

Answers

Answer:

-5/2

Step-by-step explanation:

rise/run or up and down/left and right

Answer:

-5/2. It's the answer.

Step-by-step explanation:

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

35. Eastview Junior High students order sweatshirts and T-shirts in either purple or gold. Of the
students who ordered a sweatshirt, the relative frequency of ordering a gold one is half of the
relative frequency of ordering a purple one. Which two-way table could show the data from the
orders?

Answers

but if two equals three then give me a two because i’m not a three!!!!!

WILL GIVE BRAINLIEST. Which of the following points is shown in the graph below?
(-1,5,3)
(1,5,3)
(1,5,-3) (1,-5,3)

Answers

Answer:

( -1, 5, 3 )

Step-by-step explanation:

First check the point on the X-axis and then match it on the Y-axis.

Answer:

A. (-1, 5, 3)

Step-by-step explanation:

Go step by step, (x, y, z) just like the alphabet. now that you know the order plug in those numbers where they belong. now you can find that (-1, 5, 3) is the only point the places directly on the grid (:

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