Which equation describes a relationship such that x = 0 must be excluded from the domain?

Answers

Answer 1

Answer:

Example: f(x) = (1 + x + x^2) / x, x=0 is excluded from the domain, since division by zero is undefined.

Step-by-step explanation:

Answer 2
This is because it only has an x-intercept and does not intersect they-axis. Vertical lines cannot be written in standard form because the slope is undefined. The equation of the line is given by the x-intercept of the line. In this case x=0 goes though the origin (x=0), which means this is the equation of the y-axis

Related Questions

PLS HELP ME I NEED IT

Answers

Step-by-step explanation:

the area = [tex](\frac{1}{2}) (18)(4)\\[/tex] = [tex]36ft^{2}[/tex]

please give me a brainliest answer

please help this is super urgent!!!



Choose the correct description of the graph of the compound inequality: (5 points) 3x + 1 > 7 and 4x less than or equal to 24

Answers

Answer:

A number line with an open circle on 2, a closed circle on 6, and shading in between

Step-by-step explanation:

Given:

3x+1 > 7 → inequality A

4x ≤ 24 → inequality B

Step 1

Solve inequality A

3x+1>7

3x>7-1

x>2

the solution is the interval------> (2,∞)

Step 2

Solve inequality B

4 x ≤ 24

4 ≤ 6

the solution is the interval------> (-∞,6]

Step 3

Find the solution of the compound inequality

Solution A ∩ Solution B

(2,∞) ∩ (-∞,6]=(2,6]

therefore

The answer is A number line with an open circle on 2, a closed circle on 6, and shading in between

Answer:

Your answer would be a number line with an open circle on 2, a closed circle on 6, and shading in between.

Step-by-step explanation:

i.e. it could also be written as:

3x + 1 > 7

3x > 7 - 1

3x > 6

x > 2

And the second inequality is:

4x < 24

4x < 6

Hence, the compound inequality could be represented as:

x>2 i.e. (2,∞)

and x≤6 i.e. (-∞,6]

Hence, the feasible region or the region that is common to both the inequalities is:

(2,6]

Hence, there will be a number line with open circle at 2 since 2 is not included in the domain and a closed circle at 6 and shading in between

Enter an inequality that represents the phrase "the sum of 4 and y is less than 6." Draw a graph that represents the inequality.
Please help AND give a good explanation. Like I am finding this super hard and well I can NOT get this question wrong unless I want a C on this. Help :(

Answers

9514 1404 393

Answer:

  4 + y < 6

  see attached for a graph

Step-by-step explanation:

The English description "the sum of A and B" is written symbolically as ...

  A + B

The symbol for "is less than" is <.

Then "the sum of 4 and y is less than 6" will be written ...

  4 + y < 6

__

The solution to this is found by subtracting 4 from both sides of the inequality:

  4 +y -4 < 6 -4

  y < 2 . . . . . . . . . simplified solution

The graph of this is a number line with an open circle at y=2, and shading to the left of that point, where values on the number line are less than 2.

Pleaseeee helpppppppppp

Answers

Answer:

25 ft^2

Step-by-step explanation:

In direct variation, if y varies directly with x, then the equation has the form

y = kx,

where k is the constant of proportionality. y is proportional to x.

Let's call the area y and the distance x.

Here, the area varies with the square of the distance, so the equation has the form

y = kx^2

Here, y is proportional to the square of x.

We can find the value of k by using the given information.

y = kx^2

When x = 20 ft, y = 16 ft^2.

16 = k(20^2)

k = 16/400

k = 1/25

The equation of the relation is:

y = (1/25)x^2

Now we use the equation we found to answer the question.

What is y (the area) when x (the distance) is 25 ft?

y = (1/25)x^2

y = (1/25)(25^2)

y = 25

Answer: 25 ft^2

true or false, when graphing a linear Inequality in two variables, the inequality symbol " < " states to use a broken line.

Answers

Answer:

Ture I tink

Step-by-step explanation:

help and i ill give brainliest

Answers

Answer:

11

Step-by-step explanation:

f(16) = 7 + 16/4

= 7 + 4

= 11

plzzzzzz help meeeee​

Answers

Answer:

Step-by-step explanation:

For A, 7x=21, it is asking, 7 multiplied by what number is 21? We can try to figure it out. Let's start with 0.

7(0)≠21

Then 1.

7(1)≠21

7(2)≠21

7(3)=21

Therefore, for question a, the answer is 3.

For question b, it's asking 6 minus what is 2.

With this one, we can say it is 4, since 6-4=2.

Now moving on to B.

a) 2x+4=16

We need to isolate x in order to find it's value.

So we can begin with subtracting 4 from both sides, getting us:

2x=12

Then, if we divide both terms by 2, we get x.

x=12/2

x=6.

b)

3 x (z/4)=9

Again, we need to isolate z.

So, we multiply both sides by 4, getting us

3z=36

then we divide by 3

z=36/3

z=12

c) 16-x=2

Here we simply subtract 16 from each side, then flip the signs to get positive x.

So, 16-x=2

-x=-14

x=14

d) 4k=20

This is essentially asking, 4 times what number is 20?

So we can divide both sides by 4 and get

k=20/4

k=5

What do I put in the box?? Do I skip count?

Answers

Answer:

skip count by 2 on was and skip count by 6 on the butter

Step-by-step explanation: 2x5=10 6x5=30

the wax 2,4,6,8,10
the butter 6,12,18,24,30

Can Somone plsss help me

Answers

Answer:

from tjwuxrsnsu hshwjdysgw ehsshejisgwnd jrsysjsgshd

from pressure to balance is the answer i think

A coin is tossed 10 times, find the probability of getting seven heads.

Answers

Answer:

7/10 or 70%

Step-by-step explanation:

because 10/10 is 100%-----> so 7/10----> 70%

1240 at 8% compounded annually for 3 years

Answers

Answer:

1562.05

Step-by-step explanation:

A = P(1 + r/n)^(n*t)

A = 1240(1 + 0.08/1)^(3*1)

A = 1562.04288

A = 1562.05

in the adjoining graph the point a is the position of a policeman in the point p is the position of a Thief how far is the thief from the policeman 1 unit is equal length to 20 m​

Answers

Answer: 5 up and 7 side

Step-by-step explanation:

Whats the answer? ( BRANLIEST )

Answers

Answer:

1/6a - 1/6

Step-by-step explanation:

-2/3a + 5/6a can be simplified:

1. Make a common denominator → -4/6a + 5/6a

2. Simplify '-4/6a + 5/6a' → 1/6a

Answer:

1/6a - 1/6

Answer:

[tex] - \frac{1}{6} (a +1 ) \\ [/tex]

Step-by-step explanation:

[tex] - \frac{2}{3} a + \frac{5}{6} a - \frac{1}{6} \\ - \frac{2 \times 2}{3 \times 2}a + \frac{5}{6} a - \frac{1}{6} \\ - \frac{4a + 5a}{6} - \frac{1}{6} \\ - \frac{1}{6} a - \frac{1}{6} \\ - \frac{1}{6} (a + 1) \\ [/tex]

Find the inverse function in slope-intercept form (mx+b)

f (x) = x - 16

f^-1 (x) =

Answers

Answer:

[tex] \rm y = x + 16 [/tex]

Step-by-step explanation:

A function is given to us and we need to write the inverse of the function in slope intercept form . The given function is ,

[tex]\rm\implies f(x) = x - 16 [/tex]

Let ,

[tex]\rm\implies y = f(x)[/tex]

So that ,

[tex]\rm\implies y = x - 16 [/tex]

Interchange x and y ,

[tex]\rm\implies x = y - 16 [/tex]

Solve for y ,

[tex]\rm\implies y = x + 16[/tex]

Now replace ,

[tex]\rm\implies y = f^{-1}(x) [/tex]

We have ,

[tex]\rm\implies f^{-1}(x) = x+16 [/tex]

And in slope intercept form ,

[tex]\rm\implies \boxed{\pink{\frak {y = x +16}}}[/tex]

what are the coorrect ones?

Answers

Answer:

16:18

Step-by-step explanation:

4 * 4= 16

2*4=8

Therefore

The ratio is 16:8

Hope this helps

Have a nice day! :D

Give brainliest if possible pls :)

The test scores for 10 students were: 74, 81, 39, 74, 85, 80, 100, 92, 74, and 85. What
is the mode?

Answers

Answer:

74

Step-by-step explanation:

"The mode is the value that appears most often in a set of data values."

So, if we look at this data, we can conclude that the mode is 74 because 74 appears 3 times (with 85 being second at twice).

74, 81, 39, 74, 85, 80, 100, 92, 74, and 85

\/

39, 74, 74, 74,  80, 81, 85, 85, 92, 100

           /\

        3 74's

Two dice are rolled. Determine the probability of the following. ("Doubles" means both dice show the same number.)
rolling a 4 or doubles

Answers

Answer:

The answer is 2/9

Step-by-step explanation:

I got it right on the test

Write a compound inequality for the graph shown below
Use x for your variable

Answers

I can’t type symbols so I’ll just write it out.

-1 is less that or equal to x is greater than 1

Mercury is one of only two elements that are liquid at room temperature. Mercury is nonliquid for
temperatures less than -38.0°F or greater than 673.8°F. Write a compound inequality for the temperatures
at which mercury is nonliquid.

Answers

Answer:

greater than 673.8°F. Write a compound

Step-by-step explanation:

What is the answer to this question?

Answers

Rewrite 1/2 as 4/8

Now add 5 3/8 + 2 4/8

Answer: 7 7/8

Use the number line to find the difference of 3 - (-1.5)

Answers

your answer is 4.5 you're welcome :-)

Answer:4.5

Step-by-step explanation:

the rule is

positive - negative  changes to positive + positive so

3- (-1.5) changes to 3 + 1.5 which equals 4.5

Simplify and show work I need help

Answers

Answer: 6x^4-2x^2x5x+2x^2

Step-by-step explanation:

If F(x) = 12x/(3 + x2), find F '(3) and use it to find an equation of the tangent line to the curve y = 12x/(3 + x2) at the point (3, 3).
F '(3) =
y(x) =

Answers

Answer:

f=12

yx=88

Step-by-step explanation:

Which equation shows the quadratie formula used correctly to solve 7x? = 9+X for x?

Answers

Exact form niya is ung pang c

last answer(4 )

x=7x^2-x-9

Help please! The picture is inserted alrdy

Answers

Answer:

perimeter of figure A is 40 cm

..

breadth of figure B is 3.33. {ie,3 whole 4 by 12}

Hi please help me i need it

Answers

Answer:

for perimeter, you add all of the sides except the height which is 19. It's means that you add all of the numbers except 19

3d + 5 where d=3 show work

Answers

Answer:

•Equation => 3d + 5

d = 3

3 x 3 + 5

9 + 5

14 = Answer

Hope it's helpful

Answer:

3d+5=9+5=14

Step-by-step explanation:

3(d)=3*3=9

D=3

+5=14, answer is 14

brainest?

Check all solutions to the equation. If there are no solutions, check "None."
x = 16


Someone help ASAP!!

Answers

X can be 4 or -4

As a minus by a minus is a positive

A machine produces electrical components. 99.7% of the components have lengths between 1.176 cm and 1.224 cm. Assuming this data is normally distributed, what are the mean and standard deviation?

Answers

Hi how are you doing

The price of an item has dropped to $81 today. Yesterday it was $135. Find the percentage decrease.

Answers

Answer:  60%

Step-by-step explanation:

81/135= 60/100

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