HELP PLEASE
find the domain of f and write your answer in interval notation
Answers
Answer:
(-infinity, 9/8]
Explanation:
Domain is defined as all the possible x-values of a function.
[tex]f(x) = 7\sqrt{9-8x} +4[/tex]
Lets test some negative numbers.
[tex]f(-5) = 7\sqrt{9-8(-5)} +4 => 7\sqrt{49} +4 => a real solution[/tex][tex]f(-1) = 7\sqrt{9-8(-1)} +4 => 7\sqrt{17} +4 => a real solution[/tex]
OK! That means all negative numbers should work!
What about 0?
[tex]f(0) = 7\sqrt{9-8(0)} +4 => 7\sqrt{9} +4 => a real solution[/tex]
0 works..
Now, onto positive numbers?
[tex]f(1) = 7\sqrt{9-8(1)} +4 => 7\sqrt{1} +4 => a real solution[/tex]
[tex]f(2) = 7\sqrt{9-8(2)} +4 => 7\sqrt{-7} +4[/tex] => imaginary
Check the last value that works. It can only be 9/8 because that's where the square root becomes 0, which is the last value before you head into the imaginary numbers..
[tex]f(9/8) = 7\sqrt{9-8(9/8)} +4 => 7\sqrt{0} +4=>4[/tex]
(-infinity, 9/8]
Related Questions
In excel this formula is incorrect =if(A1=TRUE,"pass,"fail")?
Answers
Answer:
Nope :(
Explanation:
Hello,
=if(A1=TRUE,"pass,"fail")
do you mean
=if(A1=TRUE,"pass","fail") ?
You need to put " at the end of pass world before the coma.
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
What are the benefits of different types of career education, like community colleges, vocational training programs, and four-year colleges?
Answers
Answer:
With community college you can graduate with an associate degree after two years or you can take classes there and tranfer after two years to a four-year college so you won't have to pay as much for the first two years. With vocational training programs you learn skills for a specific job (example: pluming , graphic design, welding). Four-year colleges offer a ton of majors to pick from, more than a community college does. Because it is for foue years you get time to expand you knowledge.
Explanation:
The functional residual Capacity is obtained by adding together which of the following respiratory volumes
Answers
Answer:
1800 – 2200 mL. FRC = RV+ERV.
Need Help
*Please Show Work*
Answers
Answer:
Hey there!
15/25=x/55
825=25x
x=33
The house is 33 feet tall.
Hope this helps :)
Which of the following is a good example of a representative sample?
O A student stands outside a local restaurant to survey individuals about their favorite fast food brands.
To get an idea about American views on immigration, you survey random individuals at the Republican National Convention.
O An anonymous survey is provided to all sophomores to learn more about cheating amongst high school students.
O You use a computer program to randomly dial numbers in the phone book to respond to your poll about phone services.
You request that a local church distribute your survey, investigating American family values.
Answers
Answer:
An anonymous survey is provided to all sophomores to learn more about cheating amongst high school students.
2.)How did Jarmo and Ur differ in their governments? (A) In Jarmo taxes were
collected in agricultural goods, while in Ur they were collected in coins.
(B) Jarmo was governed by a king, while Ur was governed by its oldest
inhabitants. (C) Jarmo did not have a government bureaucracy, while Ur
did. (D) all of these
3.) In ancient Athens constitutional democracy came about as a result of
(A) the development of trade and other sources of wealth besides the
ownership of land (B) service in the military being opened to members of the noble class (C) an increase in the frequency of barbarian invasions from the north (D) all of these.
Answers
Answer:
All of these differed between Jarmo and Ur government.
Service in military being opened to members of Noble class.
Which statements explain why grades are important? Check all that apply.
Grades provide a way for students to reflect on what they have learned.
Grades give employers and colleges a way to judge students’ potential.
Good grades ensure that students can get scholarships to go to college.
Good grades are often required for participation in extracurricular activities.
Grades determine whether students will succeed in after-school jobs.
Grades give teachers an idea of how well students know the lesson content.
Answers
Answer:
1, 2, 4 and 6
Explanation:
i just took the test
Answer:
1,2,4 and 6
Explanation:
answer on edg 2020
Answer the following in several complete sentences:
A college professor wants to measure memory in elementary students before a vocabulary quiz. How could she operationally define memory?
Answers
Answer: here’s what I thought...
Explanation:
She could ask the students what the questions were or how many questions there are in the first quiz, which was vocabulary.
Please Show Work
Need Assistance
Answers
Answer:
p=26ft
a=56ft^2
Explanation:
Given:
l=7ft
w=4ft
Required:
p=?
a=?
Solution:
p=2(l+w)
p=2(7ft+4ft)
p=14ft+8ft
p=26ft
a=l*w
a=7ft*8ft
a=56ft^2
Hope it helps ;)❤❤❤
The more resources you have to choose from during an open book test, the better you will do on the test because mor
information is available to you.
TRUE
FALSE
Answers
Answer:
false bc you can still misread something and end up missing the question
Answer:
Actually the person on top of me is incorrect, the more materials and tools you have for a test it will help you a lot compared to if you don't have them.
Explanation:
Schultz et al (1980) assessed the intelligence of 100 young and 100 older people (average age was about 20 years and 64 years respectiv ely). They found declines in certain kinds of intelligence and spontaneous flexibility with age.
(a) Identify the independent and dependent variables in this study. (b) Did they use a longitudinal or crosssectional design? Briefly explain your answer.
Answers
Answer:
a. Independent - age; Dependent - intelligence
b. Cross-sectional
Explanation:
Scientific experiments label the variables that they employ in two ways: dependent and independent. Independent variables are those that are changed or manipulated by the researchers. In this case, the researchers are exercising control over the variable of age by selecting a particular type of people. This also means that the researchers believe this variable to have a direct effect on the dependent variable.
On the other hand, dependent variable refers to the variable being tested and measured. It receives this name because the variable is "dependent" on the independent variable. In this case, intelligence is the variable that is believed to depend on age.
Finally, this is also an example of a cross-sectional study. Cross-sectional studies interview different samples of people at a particular point in time. This allows us to have a snapshot of a group at a particular moment. This is different from longitudinal studies, which follow the same sample of people over a long period of time.
Need Assistance
*Please Show Work*
Answers
Answer:
Like terms = 3n, 5n, 6n
Coefficient= n
SolutionCollect like terms
3n - 5n +6n - 13
Answer= 4n - 13order was
Melissa went to the store to buy three ingredients she needed to finish dinner. Her three purchases cost $5.46,$0.99 and $2.35. What was the total amount of Melissa’s purchase before tax?
Answers
Answer:
the total amount was $8.80
A unit can be suspended from requesting or receiving ammunition for
Answers
Answer: To ensure the safe return of ammunition and ammunition residue.
Explanation:
Ammunition can be defined as a material that can be fired, dropped, scattered from a weapon. It can be an expendable weapon or maybe a component of weapon.
A unit is suspended along with receiving ammunition to support the safe transport of ammunition and their residues to the desired destination and to prevent the explosion or damage of the contents.
Question 1: (CLO1)
Differentiate between internal users and external users and explain the examples of the accounting information required.
Answers
Answer:
Internal users are people within a business organization who use financial information. ... External users are people outside the business entity (organization) who use accounting information. Examples of external users are suppliers, banks, customers, investors, potential investors, and tax authorities.
Explanation:
Are there any entrepreneurs that you admire that have also made significant contributions to the foodservice industry? If so, describe this individual and explain their contributions. If not, spend some time online exploring and find an entrepreneur (different from the ones mentioned in the unit) that has made significant contributions to the food service industry and describe this individual.\
Answers
Answer:
Aliko Dangote from Nigeria is a good example. He has greatly made contributions to the food service. He deals in foods and other ingredients in preparing foods. He is a great man known worldwide for his contribution.
what is a trade agreement the US is currently negotiating
Answers
Answer:
exporting trade I think
Answer:
The current US trade agreement is exportation...
Explanation:
#PLATOFAM
HELP PLEASE
function decomposition
Answers
Answer: connect the wire to The input and then add a button
Explanation:
Lbp2 logic
What is ill/significance
Answers
Significance means the quality of being worthy of attention; importance
Hope this helped you significantly great person! ♥︎
PLEASE HELP!!
"After this fine last lesson I managed to make a small fire out of wet twigs, got a cup of tea, stripped off my dripping clothing, wrapped myself in a blanket and lay brooding on the gains of the day and plans for the morrow, glad, rich, and almost comfortable."
This detailed sentence, used to describe the writer's activities, reveals the writer's (5 points)
calculating ways
mournful outlook
detailed plans
utter exhaustion
optimistic attitude
Answers
answer:
mournful outlook
steps:
I guess because the person is brooding over his gains and brooding is thinking about something that makes them sad and also the fact that he gets cozy with a cup of tea and a blanket just to think about his day which was sad I guess though
Made a mistake in asking a question?
Answers
Answer:
The correct answer is
Here are five that you should avoid.
1.Asking a Question That Was Just Answered.
2.Asking About Something Completely Irrelevant.
3.Asking Questions That Aren't Questions.
4 Asking Questions That Are Ambiguous.
5.Asking the Wrong Person.
Explanation:
hope this works out!!!
Asking a insensitive question to a sensitive person
Asking a question that is irrelevant
Asking a question that may be misinterpreted
Asking a question about someone’s orientation
Which of the following student question resembles critical thinking?
Answers
Answer:
Critical thinking with students means that they can take information and analyze it, draw conclusions, form and defend opinions with data to back it up, reflect on their work, and approach problems in a systematic way.
Explanation:
The student question resembles critical thinking take information and analyze it, draw conclusions, form and defend opinions with data to back it up, reflect on their work, and approach problems in a systematic way.
What is critical thinking?Critical thinking with students means that they can take information and analyze it, draw conclusions, form and defend opinions with data to back it up, reflect on their work, and approach problems in a systematic way.
A critical thinking includes sound professional judgment, uncomfortable and challenging decision making and action based on professional knowledge and experience.
Learn more about critical thinking
https://brainly.com/question/12980631
#SPJ2
Please Help
Show Work
Answers
Answer:
Hey there!
1635=2x+55
1580=2x
790=x
The weekly wage of a bank manager is 790 dollars.
Hope this helps :)
Answer:
790 will be the answer for this question
