# What are the unique characteristics of fish?

**MATH**

**Evaluate limit [(3x^2-x-2)/(5x^2+4x+1)], x->+infinity**

The limit limx→∞3×2−x−25×2+4x+1limx→∞3×2-x-25×2+4x+1 has to be determined. Substituting x=∞x=∞ in the given expression gives us the form ∞∞∞∞ which is indeterminate. In this case, l’Hospital’s…

**LITERATURE**

**Who are the Pre-Raphaelite Poets?Why are they so described?Examine some of their main…**

The Pre-Raphaelites are one of the most important poetic groups of Victorian England. They are also called the ‘sub-Tennysonian’ group of poets sometimes. The major names involved are Dante Gabriel…

**SCIENCE**

**What are the unique characteristics of fish?**

I believe the question relates to the group of animals within the animal kingdom which is labeled as fish. Fish are back boned animals that live in water. The various kinds of fish differ so much…

**MATH**

**Which is the sum of the squares of the solutions of the equation 2x^2-mx+1=0?**

Let’s recall the fact that a solution of an equation, substituted into equation, verifies it. Let’s substitute the first root into equation and we’ll get: 2×1^2-m*x1+1=0 (1) Let’s substitute the…

**PARADISE LOST**

**Is Milton’s Paradise Lost an epic?**

John Milton’s Paradise Lost is the only and, therefore, greatest English epic. The poem is an epic but also an collection of ideas and abstractions (-isms). Milton intended the epic to be a “new…

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**MATH**

**Which are the real numbers, x and y, from the equation (2x – 2y*i) + (2y – x*i) = 3-i?**

For the equation to hold, the real parts from both sides have to be equal and the imaginary parts from the both sides, have to be equal, too. We’ll open the brackets and we’ll group the ral parts…

**KING LEAR**

**In King Lear we have not only the forces of good and evil pitted against each other, but also…**

Lear and Gloucester are victims of folly and blindness. In Lear, folly results from blindness–blindness which is not physical but intellectual, due to lack of judgement. In Gloucester, folly,…

**MATH**

**Which is the value for |z|^2? The complex number z is the solution of the equation |z|+z = 1 +…**

First, we’ll set the complex number as z=a+b*i. Also, we know that |z|=sqrt(a^2+b^2) Now, we’ll substitute z and |z| into the given relation. |z|+z = sqrt(a^2+b^2) + a+b*i sqrt(a^2+b^2) + a+b*i = 1…

**SCIENCE**

**What’s the difference between a optometrist an a ophthalmologist?**

The basic difference is that an optometrist has less education than an ophthalmologist and the optometrist also is not able to do nearly as much as the other one (so as not to type that word too…

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**SCIENCE**

**Can the biceps brachii function or moves without the synergist muscles brachialis?**

You have different types of muscle tissue, the muscle that you mentioned, the biceps brachii is in the upper arm on the front side of the body. It is a skeletal muscle, a voluntary muscle that is…

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**MACBETH**

**Are the witches in Macbeth Real or a a hallucination?More needed is quotes from the play that…**

There is no doubt that they are real, for they manifest themselves in front of Macbeth and Banquo, but Banquo has doubts, for he asks Macbeth in Act I, scene iii, Were such things here as we do…

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**SCIENCE**

**What causes the gout? What are some signs of this disease and what part of the body does the…**

As someone who has gout and must take medicine for it every day, I can answer this… Gout is caused where there is too much uric acid in your blood. The uric acid crystalizes and the crystals get…

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**SOCIAL SCIENCES**

**Can you tell me what was the estates general at the time of french revolution?please send its urgent**

If all you are asking is what the Estates General was, the answer is that this was the name of the French Parliament in the time before the French Revolution. It was this because it was supposed to…

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**THE MASQUE OF THE RED DEATH**

**The setting is in and around ____________ abbey during the plague. what is the setting in the…**

Are you asking for the name of the abbey where the story is set? If so, the abbey does not have a name, or at least we are not told what the name is. We are just told that it is one of the king’s…

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**MATH**

**Verify if the identity is true limit (x^4)*cos(2/x)=0, x–>0**

To verify the identity, we have to calculate the limit. First, we’ll have to notice that we can’t use the product law here (the limit of a product is the product of limits). This thing happens…

**MATH**

**Calculate the limit {[sqrt(x+2)-3]/(x-7)}, x->7**

The limit limx→7x+2−−−−−√−3x−7limx→7x+2-3x-7 has to be determined. Substituting x = 7 here gives the result 9–√−30=009-30=00 which is indeterminate. Write the limit as follows:…

**IN ANOTHER COUNTRY**

**To what extent do you agree with the viewpoint expressed by the Major in “In Another Country” in…**

Even the major does not agree with the viewpoint he expressed in his explosive remark: “A man must not marry, . . .” a man “should not place himself in a position to lose [everything]. . . He’ll…

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**THE SCARLET LETTER**

**Does Hester’s elaborate embroidery on her letter A indicate a rejection or an acceptance of the…**

Hester Pyrnne is, perhaps, the earliest feminist of American Literature. In an act of defiance against the restrictive Puritan rule, Hester embroiders her figurative brand put upon her by Puritan…

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**MATH**

**Prove that limit (x^2)*[sin(1/x)]=0, x->0?**

limx→0x2sin(1x)=limx→0xlimx→0sin(1x)1x=1limx→0x=0limx→0x2sin(1x)=limx→0xlimx→0sin(1x)1x=1limx→0x=0

**MATH**

**Calculate the limit arcsin (1-sqrt x)/(1-x), x -> 1.**

If you mean that we have to calculate limit arcsin [(1-sqrt x)/(1-x)], then we’ll do the steps: – first, we’ll decide if arcsin [(1-sqrt x)/(1-x)] is a continuous function and it is. – we can…

**IN ANOTHER COUNTRY**

**If you were a soldier in “In Another Country” by Ernest Hemingway, do you think you could live…**

One of the realities about World Wars I and II was that they proved that entire civilizations and their people could be devasted at one blow. In earlier epochs, the machinery of warfare and the…

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**MATH**

**Explain the evaluation of the limit sinx/(2+cosx), x->pi?**

The trigonometric functions sine and cosine are continuous functions. We have to notice that the denominator of the function is not cancelling for any value of x, because cos x >= -1. From here,…

**THE SCARLET LETTER**

**What does Hester’s letter A with its fancy and golden embroidery signify?. Nathaniel Hawthorne’s…**

Immediately it would seem that the embroidery is ultimately a rejection of the community’s views of her. This is supposed to be a symbol of shame and her decorating of it sends the message that…

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**MATH**

**Discuss the continuity of the function f=ln(1+cos x).**

To dicuss the cotnuity of ln(1+cosx) Solution: f(x) is maximum when x = 0, and f(0) = ln2. f(x) decreases as x increases to ln(1-1) = -ifinity, as x goes from 0 to pi. Again from x= pi to x =2pi…

**MATH**

**How to evaluate the limit, without using the quotient law and without factorizing?limit (x^3 – 1)…**

Another manner to solve this limit, after checking if it is an indetermination case, and it is, “0/0” like, would be to use L’Hospital rule. This rule claims that if we deal with an indetermination…

**MATH**

**Calculate the limit of the function, if it exists? limit (x^2+x-6)/(x-2), x->2**

lim (x^2+x-6)/(x-2) when x–>2 first we substitute with x=2 ==> lim 2^2+2-6/2-2= 0/0…. this method failed, because 2 is the root for the upper and lower functions. That means, x-2 is a…

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**MATH**

**Why doesn’t work to evaluate the limit (x^2-1)/(x-1), x–>1, by substituting x=1?**

We can not find the limit by substituting 1 because 1 is the root for upper and lower functions. That means that (x-1) is a common factor. By factorizing, we could eliminate the common factor and…

1 educator answer

**NIGHT**

**What do the piece of bread, the blizzard and the whip symbolize in this novel?**

Though Night is a non-fiction writing, Wiesel uses plenty of symbolism and imagery to tell his story. You mention three symbolic elements: bread, blizzard, and whip. Each has meaning beyond the…

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**WUTHERING HEIGHTS**

**What about class distiction theme in Wuthering Heights?If someone could tell me some quotes for…**

As the previous post states, part of Heathcliff’s anger at Catherine is because she chooses to marry the high-class Edgar Linton, rather than Heathcliff, who, as a foundling (perhaps a bastard) is…

1 educator answer

**NIGHT**

**Explain the significance of these quotes in POINT FORM. Remember it may reveal many aspects of a…**

This is a long question and I fear answering it directly would give you the answers to your entire assigment. There is a way to tackle it, however, that will make the process easier for you – and…

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**MATH**

**Find a formula for the inverse of the function f=(4x-1)/(2x+3)**

f(x)= (4x-1)/2x+3 To find the inverse function f(x)^-1 we will assume: y=(4x-1)/(2x+3) ==> multiply by 2x+3 ==> y(2x+3)= 4x-1 ==> 2yx+3y=4x-1 ==> 3y+1= 4x-2yx ==> 3y+1= x(4-2y)…

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**MACBETH**

**What are some scenes or events that potray Macbeth’s ambition or the theme of ambition in Macbeth?**

Really, almost everything that Macbeth and Lady Macbeth do early in the play shows that they have a great deal of ambition. As soon as Macbeth hears that he has been made Thane of Cawdor, he starts…

1 educator answer

**TO KILL A MOCKINGBIRD**

**What qualities do Nick Carraway in The Great Gatsby and Scout Finch in To Kill a Mockingbird…**

Both Nick Carraway of The Great Gatsby and Scout Finch of To Kill a Mockingbird are narrators who share some commonalities: Both tell the narrative in hindsight, thus interpreting what has already…

1 educator answer

**HISTORY**

**What was the contribution of republican ideology to the revolutionary movement?**

I assume that you are asking about the US Revolution… The main contribution of this ideology was to make more people interested in joining the rebellion. This was most clearly seen in the impact…

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**MATH**

**Find the inverse function of f(x)=x^3+2?**

f(x)=x^3+2 To find the inverse function f(x)^-1 , we will assume” y=x^3+2 y-2= x^3 ==> x= (y-2)^1/3 ==> f(x)-1= (x-2)^1/3

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**LORD OF THE FLIES**

**What is the significant importance of fire in Golding’s Lord of the Flies?That is, what does fire…**

To me, fire symbolizes a couple of different things. It can be a link to civilization — a sign that the boys are still civilized and want to be rescued. However, it can also be a symbol of how…

3 educator answers

**NIGHT**

**Name seven symbols from this novel not including the fire, the corpes or the night and briefly…**

There can be many moments or symbols in the narrative of Eliezer. Moshe the Beadle can be representative of the denial that helped to strengthen the aggressors in the Holocaust. The silencing of…

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**LORD OF THE FLIES**

**What is the significant importance of Piggy’s glasses with regard to civilization?Lord of the…**

In my opinion, Piggy’s glasses symbolize science and technology. They are the things that can be used to make fire without having to rub sticks together. On this island where that is the only…

3 educator answers

**MATH**

**Express temperature as a function of height, using linear model?The ground temperature is 20…**

Given: Temperature at ground level, that is when height is 0 (h0) meters = t0 = 20 degrees centigrade Temperature at height 1 km (h) meters = t = 10 degrees centigrade It is assumed that the…

**MATH**

**Find the domain f=(5x+4) / (x^2+3x+2)**

f(x)= (5x+4)/(x^2+3x+2) First we need to determine x values where f(x) is not defined. f is not defined when x^2+3x+2 =0 (since f is a ratio) x^2+3x+2=0 (x+1)(x+2)=0 x= {-1,-2} Then f domain if…

1 educator answer

**MATH**

**Which is the domain of the function f(x)=x/(3x-1)?**

f(x)=x/3x-1 First we need to determine x values where f(x) is not defined. Since f is a ratio, then the function is not defined when 3x-1=0 3x-1=0 ==> x= 1/3 then the domain is R-{1/3}

1 educator answer

**HISTORY**

**Should nations promote internationalism through foreign aid? Thank you very much!Should nations…**

I would say that this is as good a way as any to promote internationalism. As the previous post says, any cooperation between two countries is going to promote internationalism, so the question is…

3 educator answers

**WILLIAM SHAKESPEARE**

**Write a note on Shakespeare’s dramatic career.Just his dramatic career as a paragraph. Thank you…**

William Shakespeare is generally regarded as the greatest writer ever in the English language. Although it is uncertain when he first began writing, it is documented that several of his plays had…

1 educator answer

**MATH**

**Complete the sentences:- A function P is called a _____ if P(x)=an*X^n+…+a1*X+a0; – A…**

– A function P is called a ___Polynomial of n th degree in x__ if P(x)=an*X^n+…+a1*X+a0; – A polynomial of degree 1 is a __monomial______; – A polynomial of degree 2 is called a _quadratic…

**MATH**

**Fill in the blanks 1) If f'(x)>0 on the interval [a,b], then f is______________ 2) If f is…**

1) If f'(x)>0 on the interval [a,b], then f is increasing on [a,b]. 2) If f is a differentiable function on the interval [a,b] and c belongs to [a,b], then f(b)-f(a)=f'(c) (b-a)

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**MATH**

**Find where the function f(x)=3x^4-4x^3-12x^2+5 is increasing and decreasing?**

f(x)=3x^4-4x^3-12x^2+5 First we need to find the critical points in which the function changes behavior (increasing or decreasing) To determine the critical points, we need to find f'(x)…

1 educator answer

**CONAN DOYLE**

**how are Sherlock personalties revealed in the way he solve crimes and treat other people such as…**

In The Speckled Band, Conan Doyle has Helen give us lots of information about her stepfather so we can build our own picture of hism character early on. For example, we first hear that Helen feels…

1 educator answer

**MATH**

**How to prove if a function is increasing, using derivatives?**

The function is increasing on an interval iff f'(x)> 0 The function decreasing on an interval iff f'(x)<0 For example: f(x)= 2x^3-3x^2-12x+1 f'(x)=6x^2-6x-12 = 6(x-2)(x+1) now f'(x)>0, if…

2 educator answers

**THE PIANO LESSON**

**If you could write an alternative ending to August Wilson’s The Piano Lesson, what would it be?**

I think that there could be several different approaches to this particular question. I would say that one distinct ending would be for Berniece to give the piano to Boy Willie. I think that it…

1 educator answer

**MATH**

**Decide if the functions are odd, even or neither: a) f(x)=x^5+x b) f(x)=1-x^4**

The function is even iff, f(x)=f(-x) The function is odd iff, f(-x)=-f(x) Let us start with the first function: a. f(x)=x^5+x ==> f(-x)= (-x)^5-x= -x^5-x= -(x^5+x)=- f(x) then the function is…