f(x) = radical 2x-1
] 1,2[
] 1/2, +oo[
[1/2, +oo[

Answers

Answer 1

Answer:

○ [tex]\displaystyle [\frac{1}{2}, ∞[[/tex]

Step-by-step explanation:

All you want to do is set the radical equal to zero to determine your domain, and sinse substituting [tex]\displaystyle \frac{1}{2}[/tex] in for [tex]\displaystyle x[/tex] would make this 0, it would be the INCLUDED endpoint, so your bracket faces [tex]\displaystyle \frac{1}{2},[/tex] then continues on infinitely.

I am joyous to assist you at any time.

**The ONLY time this is not the case is when you have a rationale-radical function, in which you must never have 0 in the denominatour.

Related Questions

so I really need help. you have to set fractions equal to each other and try and find out how many prefer sweaters and whatnot. Also, the answer isn't supposed to be a fraction, it's supposed to be a whole number, you find the answer by using fractions with the information provided in the word problem above ^
I hope that makes sense. lol, thank you :)

Answers

I can’t help you with that movie

i don't really understand, please help!!

Answers

Step-by-step explanation:

the proof is given above

Step-by-step explanation:

In Triangle ICU,

Angle 2 = 180° - Angle 1 (Angles on a straight line)

CR = CU - RU

In Triangle ISR,

Angle 3 = 180° - Angle 4(Angles on a straight line)

SU = RS - RU

Angle 1 = Angle 4

Therefore, Angle 2 is equal to Angle 3

CU = RS

Therefore, CR is equal to SU

Triangle ICR and Triangle ISU

IC = IS

Angle 2 = Angle 3

CR = SU

Therefore, Triangle ICR and Triangle ISU are congruent (SAS congruency).

As the two triangles are congruent, Angle CIR = Angle SIU

A number y has a minimum of -2.5

a.>
b.<
c.≥
d.≤

Answers

Answer:

c.≥

Step-by-step explanation:

Minimum of means the number y can be -2.5 and higher, but it cannot be lower than -2.5.

≥ means more than or equal to.

> means more than only.

< means less than only.

≤ means less than or equal to.

Y-4x=9 in standard form

Answers

Answer: y - 4x = 9 in standard form is -y + 4x = -9

A 24-foot by 72-foot rectangular dance floor is completely tiled with 1-foot by 1-foot square tiles. Two opposite corners of the dance floor are connected by a diagonal. This diagonal passes through the interior of exactly how many tiles

Answers

Answer:

do do do do to stop do so at to do do d

Factor.

x^2−8x+16

(x−4)2

(x+8)^2

(x−8)^2

(x+4)^2

Answers

Answer:

Step-by-step explanation:

Solve for s.
3 = s - 2
s=

Answers

The answer is 5 because 5-2=3. S=5

Answer:

3 = s - 2

s = 3 - 2

s = 1

what was hard lol

how many hours and minutes are there between 9:30 and 1:50

Answers

Answer:

4 hours and 20 minutes!

Answer:

Step-by-step explanation:

PM or AM?

If it is 9:30 AM to 1:50 PM, it is 4 hours and 20 minutes.

if it is 9:30 PM to 1:50 AM, it is also 4 hours and 20 minutes.

If it is 9:30am to 1:50 AM, it is 16 hours and 20 minutes.

The diagram shows a square.
(7x + 3) cm
Find the length of the side of the square.
(5x + 8) cm

Answers

The length of each side of the square is; 20.5cm

Squares and equal sides

Since, all sides of a square have equal lengths;

We can assume that the the sides given are equal so that we have;

7x +3 = 5x +8

2x = 8 -3

2x = 5

x = 5/2

x = 2.5

By substituting x into either of the expressions! we have;

7x + 3

7(2.5) + 3 = 17.5 + 3

= 20.5

Answers

Answer:

speed=16,480 miles per hour or 16,480/hour.

Step-by-step explanation:

Distance=speed ×time

i need help plz
State the coordinates of the point.

Answers

Answer:

(-5,8)

Step-by-step explanation:

Hope this helps ;)

all 3 are solve for x:
24.
25.
26.

Answers

24: x= 33

25: x=21

26: x= 11

The prism and pyramid above have the same width, length, and height. The volume of the prism is 36 cm3. What is the volume of the pyramid?

Answers

The pyramid's formula for Volume is identical to the formula for Volume of a prism, except for having a factor 1/3.

Base Area and height being the same for a pyramid and a prism, the volume of the pyramid is always one third that of the prism.

A similiar fact pertains to Cone vs Cylinder...these 3 dimensional volumes have a ratio of 1/3 to one another.

In two dimensions, there's a ratio of 1/2 between areas of triangles and rectangles having the same base & height.

Use the drawing tool to form the correct answer on the provided graph plot the x-intercept y-intercept and axis of symmetry for the function below g(x) = x2+4x+3

Answers

Answer:

x-intercepts: x =-1, x=-3 when y=0

y-intercept, y=3, when x =0

axis of symmetry x = -2

Step-by-step explanation:

We are given the function: [tex]g(x) = x^2+4x+3[/tex]

We need to draw the graph for

x-intercept y-interceptaxis of symmetry

of the given function.

x-intercept

For finding x-intercept put y=0, in the given function, we will put g(x) =0

We know that: g(x)=y

[tex]y=x^2+4x+3[/tex]

Putting y=0, we get:

[tex]0=x^2+4x+3[/tex]

Now, we need to solve the equation by factorization, to find value of x

[tex]0=x^2+4x+3\\We\:can\:write\\x^2+4x+3=0\\x^2+3x+x+3=0\\x(x+3)+1(x+3)=0\\(x+1)(x+3)=0\\x+1=0\:or\:x+3=0\\x=-1\:or\:x=-3[/tex]

So, we get x-intercepts: x =-1, x=-3 when y=0

y-intercept

For, finding y-intercept, put x =0

Putting x=0

[tex]g(x)=x^2+4x+3\\We\:know\:g(x)=y\\y=x^2+4x+3\\y=(0)^2+4(0)+3\\y=3[/tex]

So, we get y-intercept, y=3, when x =0

Axis of symmetry

The formula used to calculate axis of symmetry is: [tex]x = \frac{-b}{2a}[/tex]

We have b=4 and a = 1

Putting values and finding axis of symmetry

[tex]x =-\frac{b}{2a} \\x=-\frac{4}{2(1)}\\x=-2[/tex]

So, we get axis of symmetry x = -2

We will also be requiring vertex of the function:

We can find h = -b/2a (same as axis of symmetry) we get h =-2

k can be found as k=f(h)

Put h=-2 in the function:

g(-2)=(-2)^2+4(-2)+3

g(-2)=4-8+3

g(-2)=-1

So, we get k = -1

The vertex (h,k) is (-2,-1)

Now, the graph is attached in figure below.

how do you simplify this radical (4x^2y)^1/3 and have no negative exponents?

Answers

Answer:

4^(1/3) x^(2/3) y^(1/3)

Step-by-step explanation:

why would you expect negative exponents? Just pultiply powers

Evaluate if a = 2 , b = 3, and c = -4 :

ab +3c-b

Answers

Answer:

Evaluate if a = 2 , b = 3, and c = -4 :

Step-by-step explanation: that the answer

Find the value of this expression if x=-9.

Answers

Answer:

if x = -9

then, (-9)×(-9) + 3

= 81 +3

= 84

(-9) + 6

= -3

so, ans is = 84/(-3)

= (-84)/3

7/y = 3x make y the subject

Answers

Answer:

7/y=3x

(3x)y=7

y=7/3x

how is the graph of f(x)=-3x^2-4 different from the graph of f(x)=-3x^2 ?

Answers

Answer:

Step-by-step explanation:

rules:

add outside the function : f(x) ± a; will shift a + up / a- down

add inside the function: f(x ± a); will shift a + left / a- right

so if

f(x) becomes f(x) -4 will be shifting down 4 units

5/8 - 1/2 =

1/8
2/3
1/2

Answers

answer:

5/8 - 1/2 = 1/8

2% as a decimal plssssssssssss help brainliest!

Answers

All you have to do is move the % to the left 2 so it would be 0.02

Hamda and Layla get paid per project.

Hamda is paid a project fee of AED 25 plus AED 10.50 per hour.

Layla is paid a project fee of AED 18 plus AED 14.25 per hour.

Write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Show your steps

Answers

Answer:

[tex]Company: 43 + 24.75h[/tex]

Step-by-step explanation:

Given

Hamda:

[tex]Project\ Fee = 25[/tex]

[tex]Hourly\ Rate = 10.50[/tex]

Layla:

[tex]Project\ Fee = 18[/tex]

[tex]Hourly\ Rate = 14.25[/tex]

Required

Derive an expression for total pay

Represent the number of hours with h.

For Hamda and Layla, their pay for h hours is:

[tex]Pay = Project\ Fee + Hourly\ Rate * h[/tex]

For Hamda, we have:

[tex]Hamda : 25 + 10.50 * h[/tex]

[tex]Hamda : 25 + 10.50 h[/tex]

For Layla, we have:

[tex]Layla: 18 + 14.25 * h[/tex]

[tex]Layla: 18 + 14.25 h[/tex]

For h hours, the company will pay:

[tex]Company: Hamda + Layla[/tex]

[tex]Company: 25 + 10.50h + 18 + 14.25h[/tex]

Collect like terms

[tex]Company: 25 + 18 + 10.50h + 14.25h[/tex]

[tex]Company: 43 + 24.75h[/tex]

Please help ASAP! Will give brainlist

Answers

2x+12=3x
2x-3x=-12
-x=-12
x=12

DeAndre bench pressed 300 pounds yesterday. Today, he was weak sauce and could only bench press 175 pounds. By what percent did the weights decrease? *
10 points

Answers

Answer:

75%

Step-by-step explanation:

-2v3 + v75

How do I solve this and what would be the answer

Answers are either
3 √3
25 √3
-25 √3
-3 √3

Answers

Answer:

a) [tex]3\sqrt{3}[/tex]

Step-by-step explanation:

Step(i):-

Given - 2 √3 + √75

we know that 25 × 3 = 75

- 2 √3 + √75

= -2 √3 + [tex]\sqrt{25 X 3}[/tex]

By using

[tex]\sqrt{ab} = \sqrt{a} \sqrt{b}[/tex]

= [tex]-2\sqrt{3} + \sqrt{25} X \sqrt{3}[/tex]

= [tex]-2\sqrt{3} + 5 \sqrt{3}[/tex]

= [tex](-2 + 5 ) \sqrt{3}[/tex]

= [tex]3\sqrt{3}[/tex]

Solve 72 = 3v^2, where v is a real number

Answers

Answer:

v is equal to 6

Step-by-step explanation:

Answer: v=2√6 or v=−2√6

Step-by-step explanation:

In ΔVWX, x = 160 cm, v = 150 cm and ∠W=77°. Find the length of w, to the nearest centimeter. PLEASE HURRY

Answers

Answer:

193

Step-by-step explanation:

according to the question

w²=x²+v²-2xv.cos(<w)

w=√160²+150²-2.160.150.cos(77)°

w=√48100-48000cos(77°)

w=193

Answer:

193

Step-by-step explanation:

delta math

I will give brainiest to whoever answers correctly !!

Answers

Answer:

it is not clear .... please add the question and send the link of the question

Answer:

$712.79

Step-by-step explanation:

The sum of four times a number and fifteen is forty-seven. Find the number.

Answers

It is 8 because 47-15= 32 & 32/4 =8 (please give me brainliest)

Answer:

8 is the number

Step-by-step explanation:

I don't know why it took me so long to figure it out, 4 x 8 = 32 32 + 15 = 47

It probably took me a really long time because I am tired, and I am not using a calculator.

PLZ HELP!!
What quadrant is (0, 4)
A.1
B.2
C.3
D.4
E.x-axis
F.y-axis

Answers

Answer:

F.y-axis

Step-by-step explanation:

y axis is the answer because 0 is starting.

The given point

(0,4)

is on the positive segment of the y-axis.

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f(x) = radical 2x-1] 1,2[] 1/2, +oo[[1/2, +oo[​

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f(x) = radical 2x-1
] 1,2[
] 1/2, +oo[
[1/2, +oo[