# Homework Help

eNotes Homework Help is a way for educators to help students understand their school work. Our experts are here to answer your toughest academic questions! Once it’s posted to our site, your question could help thousands of other students.

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• Math
f(f(x)) = 4x+3 given. To find all linear functions , f(x). The solution f(x) is said to be linear. We assume f(x) = ax+b and determine a,b. f(f(x)) = a*f(x)+b = a(ax+b)+b = (a^2 )x+(a+1)b Therefore...

Asked by pavelpimen on via web

• The Most Dangerous Game
Zaroff will permit any human prey who can survive three days to leave the island. However, he stresses to Rainsford that if he does survive, he can reveal the secrets of the island hunts to no...

Asked by kmplaya83 on via web

• Math
sin a + cos a=1 If we'll reduce the expression with cos a, the expression will become sin a/cos a + 1= 1/cos a tg a + 1= 1/cos a tg a= 1/cos a -1 tg 2a=tg (a+a)=tg a+ tga/(1-tg^2a) tg 2a=...

Asked by bibiloi on via web

• The Most Dangerous Game
While sitting down with Rainsford on his first night on ShipTrap Island, General Zaroff tells Rainsford all about the new game that he has decided to hunt. During this conversation, Zaroff tells...

Asked by luke83 on via web

• Julius Caesar
From the time that Brutus sees Caesar's ghost, he doubts the success of their battle in Phillippi. Though he still tries to form a good strategy, the prediction of the ghost seeing him there haunts...

Asked by smilesz2000 on via web

• Math
Sin(3x) appears on both sides.We keep this term as it is. Taking the other two terms on the left,we write as, sin(x)+sin(5x) = sin(3x-2x)+sign(3x+2x)....(1). Using the trigonometric identity,...

Asked by ggenius on via web

• Math
By vector theory we know that two vectors u and v are perpendicular if only their dot product u.v is zero. We use this idea to show that the given vectors' dot product is an expression involving...

Asked by deuxtoi on via web

• Math
In triangle ABC, SinB =1 .Therefore B= 90 degree. The triangle is right angled at B and AC hypotenuse. Sin A = 1/2 . Therefore A = 30 degree and the remaing angle C = 180-(90+30) = 60 degree....

Asked by thales on via web

i dont no

Asked by srpatil on via web

• Math
If z has the following form: z = a + b*i, then it's adjoint is z' = a - b*i z+2z'= a + b*i + 2a - 2 b*i We'll group together the real parts and the imaginary parts: (a+2a)+i*(b-2b)=3+i (from...

Asked by solmatem on via web

• Math
2x + sq root (16 + x^2)=11. sqrt(16+x^2) = 11-2x. Square both sides, 16+x^2 = 11^2-2*2*11x+4x^2 =121-44x+4x^2. collect all similar terms on right side together. 0 = 121-16-44x +4x^2-x^2=>...

Asked by sirserie on via web

• Lord of the Flies
Thsi incident occurs in Chapter 10 of the novel, and it is after Jack has effectively seized power of the boys, and Ralph is left with Sam and Eric and Piggy, and they are trying to keep a signal...

Asked by justmee56 on via web

• Math
Because 1 is in the set (0,pi/2), meaning the first quadrant, where the function cosine is positive,then cos 1>0. Because 2 and 3 are in the set (pi/2,pi), then cos2 and cos 3<0, because of...

Asked by fairydrink on via web

• Math
To calculate the integral part of 1/(3^1/2-2^1/2), we rationalise the dnominator by mutiplying denominator and numerator by (3^1/2-2^1/2) and get, (3^1/2+2^1/2)/{(3^1/2*2^1/2)(3^1/2+3^1/2)}....

Asked by istetz on via web

• Math
Given f(x) = 0 has x1,x2,x3,x4 as roots. Putting 1-x = y transforms the equation f(1-y) =0 whose roots are 1-x1, 1-x2,1-x3,1-x4 and whose constant term / coefficent of y4 is the product...

Asked by greynose on via web

• Hamlet
The short first scene of Act IV centres around Gertrude's betrayal of Hamlet. Although she does honour Hamlet's request to not tell Claudius that he is only feigning madness, it is clear that,...

Asked by cvw on via web

• Lord of the Flies
You are referring to the end of Chapter 3. Simon, after helping Ralph build huts, goes away and walks towards the forest. Walking through "acres of fruit trees", the group of littluns who have run...

Asked by naye on via web

• Math
We can demonstrate if a function is a increasing/decreasing one, using the first derivative of that function. f'(x)=1-sinx We know that the function sin x < 1, or the maximum value is sin x =1...

Asked by leeaeel on via web

• Lord of the Flies
The signal fire in the story is a symbol of hope of the boys' return to civilisation. By keeping the signal fire going they hope to attract the attention of a passing boat or aircraft who will then...

Asked by mickel on via web

• Hamlet
Wow. I agree with my colleague--there is no evidence I'm aware of that Gertrude is not Hamlet's mother. Hamlet calls her his mother, King Hamlet calls her his wife, and Gertrude calls Hamlet her...

Asked by taranamar on via web

• Lord of the Flies
To answer this question you need to consider the allegorical aspects of this novel, and what each of the main characters represent. It is clear that at the beginning of the novel Jack represents...

Asked by kamerir on via web

• A Rose for Emily
There are some clues in the story to give us some ideas about when this story takes place. In the first section, we are told that Miss Emily was relieved of the obligation to pay taxes in 1894,...

Asked by diannaks on via web

• Science
POP stands for "persistent organic pollutant". POPs are supposedly toxic chemicals that adversely affect human health and/or the environment around the world. They can persist or...

Asked by singharc on via web

• A Midsummer Night's Dream
While Shakespeare purposefully does not attribute any truly unique characteristics to Hermia's personality nor any of the other related characters in this aspect of the play, there are a few...

Asked by batef on via web

• Romeo and Juliet
In Shakespeare's Prologue to Romeo and Juliet serves as an exposition of sorts. In the form of a sonnet, the Prologue tells the audience that the play is set in Verona. We learn of the feud...

Asked by sebast123 on via web

• Jane Eyre
The first device you might want to take note of that the story is written in the first person point of view, which allows the reader to see the events, characters, and setting through Jane's eyes....

Asked by hip1980vn on via web

• Lord of the Flies
We see this transformation right away. The island is a paradise, and then the boys land on it. The plane slashes a nasty burning line through the green peaceful vegetation. The burning strip hisses...

Asked by kuriger on via web

• Lord of the Flies
William Golding first of thought of the idea of Lord of the Files while reading Coral Island by Ballantyne. The story is, "about a trio of boys stranded on an otherwise uninhabited island, shows...

Asked by vivid on via web

• Lord of the Flies
First, William Golding was a school head master, so he has had an insight and plenty experience on the psychology and physicality of boys. Second, Ralph is his main character and (many writers...

Asked by lucshe on via web

• The Waste Land
I think that money in the waste land is a means of spiritual death. People are just looking for it and simply neglecting the moral values and principles. Modern human relationships are therfore...

Asked by whiteangel on via web

• Brave New World
Each one of these themes can be found in the novel Brave New World. Huxley provides excellent examples for each theme in settings of the "uncivilized" world and the World State environment. In the...

Asked by balaca on via web

• 1984
Winston's first indication that O'Brien is on his side is in the first chapter, at the end of a 2-Minutes Hate, when his and O'Brien's eyes meet briefly. Winston feels that the quick meeting of...

Asked by walshy1204 on via web

• Literature
I would talk about the pen's reaction to what the person holding it is writing. You can also include: the sound of the pen on the paper what the paper feels like to the pen whether the person is...

Asked by monika101 on via web

• Aeneid
This is a worthwhile question since Odysseus/Ulysses is one of the "good guys" in Homer. In Vergil's Aeneid, though, Ulysses is regarded as one of the most evil of the Greeks. The simplest...

Asked by a-chan on via web

• English teachers
I have had similar student populations, and my favorite way to get the class going is to give the students a list of words and phrases and ask them to write a story using the entire list. I try to...

Asked by tink17 on via web

• The Things They Carried
awww no one =[

Asked by urmyboo123 on via web

• Reference
Having never read that book, I'll give you my thoughts, based on what you've described in your post: I think you can make a case for any book, most of the time. Some "great literature" is crappy...

Asked by trice267 on via web

Award of procuremet contracts involves choosing a vendor proposal from multiple proposals received from different vendors for something to be purchased. In doing so a company would obviously want...

Asked by theodocia on via web

• The Souls of Black Folk
Just to place it in a historical perspective, the Civil War ended in 1865, the Fisk Jubilee singers were founded or rose to prominence in 1871, and W.E.B. Du Bois enrolled at Fisk University in...

Asked by ribbonmonsters on via web

• In Cold Blood
You could certainly use this quote to prove that Hickock deserved at least the same penalty as Perry but not because of his desire to rape the Clutter girl. Because he premeditated his crime,...

Asked by chel24 on via web

• 1984
Language is the way we think and communicate; the wider the range of words, the more likely we are to find a way to express various thoughts. The purpose of Newspeak is simple --- limit/control...

Asked by jgsackett on via web

• Literature
Idiomatic expressions are statements in a language that cannot be literally translated into another language. Idioms are understood by most native speakers of a particular language. Idioms seem...

Asked by naruto718 on via web

• Lord of the Flies
In the previous chapter, there are arguments among the boys over what the "beast" is, and Jack berates the boys for being afraid saying that if there were a "beast," he would have seen it since he...

Asked by mary8192 on via web

• Health
No, this medication has severe potential side effects and should only be used under strict physician supervision. When a medication is applied to the skin (topical), it is absorbed from the skin...

Asked by im32m on via web

• Angela's Ashes
Keep in mind that the McCourts literally have nothing--no material possessions. One could even argue that the children did not even have the love of their father seeing as how he chose alcohol over...

Asked by princesseliz on via web

• The Love Song of J. Alfred Prufrock
The guidelines of this website allow for one question a day; I rather suspect that you are sneaking in more than that. I suggest keeping to the guidelines, and submitting the second question that...

Asked by nija on via web

• William Shakespeare
Sonnet I, the first of the "young man" or "fair youth" cycle, introduces one of Shakespeare's recurring themes: that of the course time fading beauty and bringing eventual death. As a solution to...

Asked by shakespeare1262 on via web

• History
This quote has a literal and figurative meaning. Literally, if a nation has citizens who are starving or impoverished, they will look for someone to blame. When no one comes to their rescue (such...

Asked by rachellauren on via web

• The Love Song of J. Alfred Prufrock
Well, he starts of his poem by describing scenes that are very low-key, passive, and lifeless. For example, he describes the evening to "a patient etherised upon a table," a description that...

Asked by fot on via web