Inverse function of y=x^2+3

Answers

Answer 1

Answer:

y = ±[tex]\sqrt{x-3}[/tex]

Step-by-step explanation:

step 1: substitute 'x' for 'y'

x = y² + 3

y² = x - 3

last step: solve for 'y'

y = ±[tex]\sqrt{x-3}[/tex]


Related Questions

Write the equation of the line that passes through the points (7,5) and (-2,3). Put
your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.

Answers

Answer:

slope - intercept form: y=2/9x+31/9

point slope form: y-5=2/9 • (x-7)

The perimeter of an equilateral triangle is 57 feet. What is the length of one of its sides? ​

Answers

Answer:

19 feet, 5.7912 m

Step-by-step explanation:

perimeter=3à

57=3a

57/3=a

19=a

Mark me brainliest

A scuba diver is 240 feet below sea level and descends 50 feet further down to observe the sea life.

What is the diver's new position? (PLS HELP!!)

Answers

Answer:

The new position is 190 feet below sea

Step-by-step explanation:

240-50=190

Answer: -290.

Step-by-step explanation: Take 240 and add 50=290. If he is down, it's a negative number.

What is the slope of the line? PLEASE PLEASE HELP FAST!

Answers

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (0, 0 ) and (x₂, y₂ ) = (1, 2) ← 2 points on the line

m = [tex]\frac{2-0}{1-0}[/tex] = [tex]\frac{2}{1}[/tex] = 2

HERE PLEASE HELP ME OUT

Answers

Vertex: (-2,-3)
Axis of Symmetry: x=-2

Your grades on three exams are 80, 93, and 91. What grade do you need on the next exam to have an average of 88 on all four exams?

Answers

Answer:

the first score is 90

the second score is 95 and the third score u need is 95

The sum of the interior angles of the 10-sided polygon on the left is °

Answers

Answer:

1440 it is right because

Step-by-step explanation:

Decagon is a 10-sided polygon.

Formula to find the sum of interior angles of a n-sided polygon is  

=  (n - 2) ⋅ 180°

By using the formula,  sum of the interior angles of the given decagon (10-sided polygon) is  

=  (10 - 2) ⋅ 180°

=  8 ⋅ 180°

=  1440°

Answer:

The answer is indeed 1440.

Step-by-step explanation:

HELP ME WITHS THIS PLEASE, I TRIED DOING IT BUT I can’t

Answers

Answer:

are you sure

Step-by-step explanation:

Answer:

Put an X on D, C, and F

G= 256

A=20

B=560 ( I'm not too sure)

H= 6

E= (I'm sorry I cant do E I have to go)

Step-by-step explanation:

Hi many kilometers to 2000 meters

Answers

Answer:

2

There are 2 kilometers in 2000 meters

Step-by-step explanation:

Answer:

2000 meters = 2 kilometers

Step-by-step explanation:

A swimming pool is being filled at the rate of 15
gallons every 8 minutes. At that rate, how many
gallons will be in the pool after 72 minutes?

Answers

Answer:

135

Step-by-step explanation:

What is the range of the data in the table

Answers

Answer:

range = 22

Step-by-step explanation:

98-76

Answer:

C. median = 89, mean = 89

range = 22

Step-by-step explanation:

find the area of the figure below

Answers

Answer:

I think the answer would be 3,200

Step-by-step explanation:

Help with this question

Answers

Answer:

200 ft

Step-by-step explanation:

Answer:

200 [tex]cm^2[/tex]

Step-by-step explanation:

The surface area is the 2-dimensional distance around a 3-dimensional figure. In essence, if one was going to wrap a figure in paper, the surface area is the amount of paper one would need. To calculate the surface area one needs to find the area of each face of the figure, then add up all of the values.

[tex]5*11 = 55\\\\5 * 11 = 55[/tex]

[tex]6*11 = 66[/tex]

[tex]\frac{4*6}{2} = 12\\\\\frac{4*6}{2}=12[/tex]

[tex]55+55+66+12+12=200[/tex]

I NEED HELP ASAP.
IM FAILING

Answers

Answer:

4 is the answer :)

Step-by-step explanation:

All you to find it is divide the 8 by 2 to get the answer!

ANSWER:
x= 4

EXPLANATION:
You divide it by 2

how many games did you bowl? does this question a statistical question. and why

Answers

Answer:

what does that mean I need more information

I need more info to answer the question

Ywhwiayevsjajavajnsksushwvwhw

Answers

Answer:

lol

Step-by-step explanation:

help fast please need answer quick​

Answers

Answer:

Y =8x +1

Step-by-step explanation:

help please and simplify answer in radical form if needed

Answers

Answer:

[tex]16\sqrt{3}\:\mathrm{units^2}[/tex]

Step-by-step explanation:

The area of an equilateral triangle with side length [tex]s[/tex] is equal to [tex]\frac{\sqrt{3}}{4}s^2[/tex]. Since the perimeter is 24 units and there are three equal sides to an equilateral triangle, each side is [tex]24\div 3=8[/tex] units.

Substituting in this value, we get:

[tex]\frac{\sqrt{3}}{4}8^2=\frac{64\sqrt{3}}{4}=\boxed{16\sqrt{3}}[/tex]

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Answers

Answer:

Step-by-step explanation:

The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest.

Hope this help

What is the median ??

I will mark brainlest

I will report who ever sends me a link

Please only accurate answers

Answers

The answer to this is 5
the answer is 5 all the numbers out on both sides until you get to the middle

5. The coefficient of x7 in the polynomial then
7x17 - 17x11 + 27x5 - 7 is​

Answers

Could you write the question more properly?

please help i need someone to answer quickkkkk

Answers

y=2x-3 is the answer.

Note that y=2(x+3) is the same as y=2x+6, which has a slope of 2. Any parallel line must also have a slope of 2, so the answer must be either C or D. Since option D is the same line and will have points in common with the original line, the answer is C.

Find the surface area of this shape
PLS HELP, AM NEEDING TO TURN THIS IN, IN LIKE AN HOUR​

Answers

Answer:

48.25

Step-by-step explanation:

When finding an area of a triangle it is area = base times height divided by 2.

AKA a =bh1/2

We can do that for all sides in this equation.

For the bottom we can do:

5*4.3=21.5       21.5/2 = 10.75

For one side we can do:

5*5 = 25           25/2 = 12.5

12.5 = one side, but there are three so,

12.5*3 = 37.5

37.5 + 10.75 = 48.25

calculate the surface area of the rectangular prism to the tenth of a square centimetre

Answers

Answer:

A=152.32 cm^2

Step-by-step explanation:

A=2(wl+hl+hw)

A=2(6.8*3.4+5.2*3.4+5.2*6.8)

A=2(23.12+17.68+35.36)

A=2(76.16)

A=152.32

find an equivalent value to cos 18°

A) sin 18°
B) cos 72°
C) sin 72°
D cos 162°

Answers

Answer:

C) sin 72 degrees

6.
Find the value of x, rounded to the nearest degree.
7
15
1
tho
25°
28°
25°
62

Answers

Step-by-step explanation:

[tex] \sin(x) = \frac{7}{15} \\ x = { \sin}^{ - 1} ( \frac{7}{15} ) \\ x = 27.8 \degree[/tex]

Answer:

28°

Step-by-step explanation:

For this problem, we are given the leg length opposite the angle x and the hypotenuse. This perfectly describes the trig function, sine. We can set up an equation:

opposite / hypotenuse = sin(x°)

We can substitute in the sides:

7 / 15 = sin(x°)

Now, to find x, we can evaluate the inverse of sin or arcsin on the ratio 7 / 15

arcsin(7 / 15) = x° = 27.81813928°

This rounds to 28°

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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Answer:

B. There is a moderative positive correlation between the vartiables

Step-by-step explanation:

The line of best fit trends upward, but the scatter points vary wildly.

Answer:

Most likley B, slope is not big enough to be strong like A.

Step-by-step explanation:

Please help me out anyone, I have a few minutes left, I’ll give brainliest

Answers

Answer:

Your answer is correct!

Step-by-step explanation:

Hope this helps


8. Line ZX and Line WY are secants of circle V, as shown below.


Based on this information, which of the following can be proved true?

Answers

Answer: take a protractor to the unkown sides to find the angle degrees and to check add them up and see if it is 360 degrees

Step-by-step explanation:

the eqition of the diagonal of a parallelogarm is 3y=5x+k . the two opposite vertices of a parallelogram are the points (1,-2),(-2,1). find the value of k .

Answers

There man i hope you'll understand ✌

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