# Please help find the rational roots of f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is f(x)=-3x^3 - 2x^2 + x - 1 I tried but still confuse please help really really need help Thank you very much!

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## Math

Use roster notation to create and write two proper subsets of your original set. 3. Do the following and write your answers in roster notation. •Find the union of the sets. •Find the intersection of the sets. •Find the complement of each of the sets. -
## Chemistry

Say there is a diluted solution and we need to find the final concentration of it, using the equation M1V1 = M2V2. Does this method change, if the compound (concentration that we're trying to find), is in a solution that has already reacted with another -
## technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the -
## Education and technology

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the -
## technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the -
## technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the -
## Math

1. Find the common ratio and 9th term of the sequence 6, -3, 3/2, -3/4, ..... 2. Find the 7th term of the sequence: 2, 6, 18, 54, ..... 3. Find the 11th term of the sequence 1, -1/2, 1/4, -1/8, ..... -
## Calculus

The table shows the position of a cyclist. t (seconds) 0 1 2 3 4 5 s (meters) 0 1.6 4.6 10.4 17.8 25.2 (a) Find the average velocity for the time period [1, 3]. ? m/s (b) Find the average velocity for the time period [2, 3]. ? m/s (c) Find the average -
## algebra/9th grade

decide whether the given ordered pair is a solution of the equation: 1. 3y+12x=-4; (1/5, -35/15): 2. 8-3x+24y=0; (5, 23/24) I think neither of them are. _______ find the x-intercept of the graph of the equation. 3. 13x-24y=-5 --> x=-5/13 4. -14+6y=7x -
## Physics

To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.85 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.85. Each chamber A simulates an acceleration due to gravity of 10.0 m/s2. (a) -
## Physics

A cylinder with a moveable piston holds 2.60 mol of argon at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 149 kPa. (a) Find the final volume of the gas. Answer in m3 (b) Find the work done -
## Physics

A ball is thrown straight upward (along the y-axis) with an initial velocity of 16 m/s from the top of a building located 20 m above ground. Find the maximum height of the ball. In other words, find the ball's maximum distance from the ground. Be aware -
## Calculus

f(x)= x/(1+x)^2 a) find the intervals on which f is increasing or decreasing. Is it ....f is decreasing on the intervals (- infinity, -1) and (1, infinity)...f is increasing on the interval (-1, 1)....... b)find the local min and max values of f.. For -
## business

Customers arrive at Paul Harrold¡¯s styling shop at a rate of 3 per hour, distributed in a Poisson fashion. Paul a perform haircuts at a rate of 5 per hour, distributed exponentially. a) Find the average number of customers waiting for haircuts. b) Find -
## Find the probability

Two marbles are drawn randomly (without replacement) from a bag containing two green, three yellow, and four red marbles. Find the probability of the event. Drawing two red marble step 1 - found it! STEP 2: Find the number of ways of choosing two marbles. -
## calculus please

given f(x) = abs(sin x) and g(x) = x^2 for all real x: 1) let H(x) = g(f(x)) and write an expression for it. 2) find domain and range of H(x). 3) find an equation of the line tangent to the graph of H at the point where x = pi/4. -
## physics

Can anyone please help me with this? Find the force acting on a 12,500 kg F4 Phantom jet in the following situations: 1. It is catapulted from rest to 250 km/hr in 2.2 seconds. How can I find the acceleration for this problem?? -
## hsa practice

when giving a table and they ask for an equation i know how to find the slope by picking to points and doing the formula y2-y1/x2-x1 but how do you find the y-intercept when they don't give you any pints with (0,?) -
## Calculus-Regressions

How do you find the best and simplest model given a table of data? I know how to find a specific regression (linear, cubic ect...) but i'm lost when it comes to choosing the best one. -
## Physics

A 55kg person pushes on the floor with 800 N of force for 0.25 seconds. How high do they jump off the ground? I know how to find acceleration but I can't find distance. -
## com125

Can anyone tell me a website to find the verbal & nonverbal communication stlyes of Egypt & Italy? I have googled, asked can't find a thing. Help!! Any info. is appreciated. -
## Math Help Plz

The point (3,-8) is on the terminal arm of the angle x. Find sinx exactly and find x, in radians, to two decimal places. I don't how I should start this question. please help and thank you -
## business math

How do you find the amount deducted from Social Security and Medicare from a check? How do you find a percent of a noninterest simple discount note? -
## US History

Many immigrants who came to the United States expected to find streets paved with gold and easy oppurtuinities to make their fortunes. What were they most likely to find? Can I get a link to help, or something? Thanks -MC -
## Business

I am trying to find out which components of the Privacy Act of 1974 apply to Federal Agencies. I would appreciate it if you could direct me to a website where i can find this information that is not to hard to understand -
## American History

what was the colonial empire of Spain, France and England's political control like? I cant find this i my book and thought i could before and I googled it but could not find what i needed could some one help with this? -
## Psychiatry

what is the umemployment rate among psychiatrists? I searched on this, and found nothing. I suspect there are no statistics being kept. If you find the answer, please post it and the source, I find this question intriguing. Thanks. -
## Math

Binomial Theorem using Pascal’s Triangle or nCr to find the coefficient then find the 27th term of (-3x+4y)55. Don’t forget to clean up the algebra. -
## MATH URGENT

f(x)=12x^5+45x^4–80x^3+2 the question asks to find the inflection points but i don't seem to understand how to find this even by taking the second derivative. -
## English Need Help!!!

I Cant Find pitures on Old French Balls (old style dreses) i looked everywere and i can't find one and a pitcure of the auther Guy De Maupassant it would relly help. Thanks. -
## science

First find the impedance of each circuit. then find the voltage across: current through and power dissipate by each resistor. Construct a data table to organize your answers -
## statistics

Given a level of confidence of 95% and a population standard deviation of 14, answer the following: (A) What other information is necessary to find the sample size (n)? (B) Find the Maximum Error of Estimate (E) if n = 78. -
## testing of materials

Could you please show me how to solve this problem ! A soil sample is 5.08 cm in diameter and 47.3 mm high. Find volume in cm^3. Also find density (g/cm^3) if its mass is 137.33 g. -
## Algebra 2 / Trig

Here is the problem that I'm having trouble with: Rewrite each series in a sigma notation and find its sum. 1+.09+.81+... I have no idea how I find the common difference or ratio in that one. -
## computers

i have a list of websites and my job is to find for each site- when it was established and how many hits got it per day, week or month. how can i look for this info. I tried to look everywhere but i can't even find one website that has this information. -
## Pre-Cal

Find the greatest integral upper bound of the zeros for the following function. f(x) = 4x^3 - 2x^2 - 12x + 1 Find the real zero(s) to the nearest tenth. f(x) = 2x^3 + x^2 - 1 [I believe the numbers should be around -1 and 0 and 0 and 1.] -
## RE: Math Urgent

I posted this earlier but I think I phrased it in a confusing way Find g(x) + g(x) if g(x) = {(-4,5), (-2,-3), (0,5), (1,3), (3,-1), (5,5)} and g(x) = {(-3,-2), (-2,6), (-1,0), (1,0), (2,-6), (3,5), (4,0), (6,-2)}. I don't need the whole thing done i'm -
## physics

The vector position of a 3.75 g particle moving in the xy plane varies in time according to the following equation. At the same time, the vector position of a 5.20 g particle varies according to the following equation. For each equation, t is in s and r is -
## physics

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.3 m until, at t = 1.38 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. (b) Find -
## Physics

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.9 m until, at t = 1.56 s, it is traveling east. The car does not alter its speed during the turn. Find the car's speed. Find the -
## Math- steve? reiny?

1. Let f(x)=x^5 + 2x^3 + x - 1 Find f^-1(3) and (f^-1)'(3)? I have zero idea how to find the inverse of this function at a point 3, and how to take derivative of an inverse. 2.Let f(x)=cosx + 3x Show that f(x) is a differentiable inverse and find f^-1(1) -
## physics

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.1 m until, at t = 1.64 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. (b) Find -
## Calculus

Let M be the region under the graph of f(x) = 3/e^x from x=0 to x=5. A. Find the area of M. B. Find the value of c so that the line x=c divides the region M into two pieces with equal area. C. M is the base of a solid whose cross sections are semicircles -
## Physics pls help

A ball with massm1=4.0 kgam is traveling to the right with the velocityv1=6.0m/s another ball with mass m2=2.0kh is traveling to the left with velocity -4.0m/s find the final velocity of the ball after the collision Find the loss in Kenetic energy Find the -
## Precalculus

1. In an arithmetic sequence, the fifth term, u5, is greater than the first term, u1. The difference between these terms is 36. a) find the common difference 9? The tenth term of the sequence is double the seventh term . b) find u1 2.5? 2. Consider the -
## physics

a stone is thrown vertically upward an initial velocity of 12m/s from the top of a building . it takes 3.4s for the stone to hit the ground a. find the height of the building b. find the maximum height that the stone will reach c. find the speed of the -
## Math

The Robinsón's electric bills for the last five months have been $157.60, $182.09, $175.15, $166.27, and $162.04. Find the average of the bill. (To find the average, divide the sum by the number of addends.) -What does the sentence in the parentheses -
## Physics

Two objects are connected by a massless string, as shown in the figure below. The incline and pulley are frictionless. (a) Find the acceleration of the objects. (Assume that positive acceleration is to the right for m1 and downward for m2. Answer using m1 -
## calculus

The ellipse x^2+3y^3=13, has two points when x+-1 . Find the slope of the ellipse at both these points. 2. Thoroughly explain the method you used to find the slope in part 1. What are the strengths and weaknesses of the method you used? 3. Explain whether -
## physics

A tennis ball rolls off the edge of a tabletop 0.800m above the floor and strikes the floor at a point 1.10m horizontally from the edge of the table. 1) Find the time of flight of the ball. 2) Find the magnitude of the initial velocity of the ball. 3) Find -
## Physics

A rocket is launched at an angle of 56.0° above the horizontal with an initial speed of 103 m/s. It moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time its engines fail and the rocket proceeds to move as a -
## Algebra

Need help plz. Don't really get this "reversing the digits" What is this really called in math language? Prob:Find the product of 32 and 46. Now reverse the digits and find the product of 23 an 64. The products are the same. Does this happen with any pair -
## Re: Physics/Math

A sphere of mass 2.7 x 10^-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 41 degrees with the vertical. Find the magnitude of the push provided by the breeze and Find the tension in -
## physics

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.3 m until, at t = 1.38 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. ___ m/s (b) -
## Calc I

Find an equation of the tangent to the curve at the given point. y=4(sinx)^2 point: pi/6,1) So I took the derivative of the original function to get: y' = 8cosx*sinx I then chose a point to plug in to find a point for the slope. i picked pi/6 because i -
## ctu

Stuart’s car loan reached a maturity value of $14001.00 after 3 years. Find the rate on Stuart’s loan if the principal he borrowed was $12474.00 Use the formula to find the interest; then use to find the rate in decimal form. Leave your answer in -
## Math

Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t B) Find all values of t where the curve has a horizontal tangent. C) Find all values of t where -
## math

Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I got this question wrong. I thought the answer would be y=-4x-6 I followed -
## Math

Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t B) Find all values of t where the curve has a horizontal tangent. C) Find all values of t where -
## physics

A 2.1-kg 12-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 18 N. (a) Find the magnitude of the torque exerted by the rope. N · m (b) Find -
## Physics

A 2.1-kg 15-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 14 N. (a) Find the magnitude of the torque exerted by the rope. ?N · m (b) Find -
## Math binomial formula and sequence

a) use the binomial formula to find the 5th term of the expansion (2x - 3)^8 ------ i got 90720x? b) Find a_n, the general term for a geometric sequence, given that the fourth term, a_4 is 16 and the seventh term is -128 c) Find the sum of -
## Language Arts

these lines of dialogue from the dairy of anne frank, act 1 reveal a lot about anne's character. In the paragraph , explain at least two things that you find out about anne's personality from her words. I really need help I can't seem to find two things -
## COM/155

Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. I wrote my movie review but im really confused on which ones are adjectives and which ones are adverbs. could you -
## math

Posted by weloo_volley on Wednesday, April 25, 2012 at 12:16am.heeeeelp meeeee ... (a)find antiderivatives for the following functions : (i) e^5x sinh3x + 4x+6/x^2+3x+5 . (ii) �ã3x(x^2-2/x+1). (b)Evaluate the following integrals over the -
## Math rem

2.Find the length of the arc in a circle if the radius of the circle is 24cm and the degree of the arc is 90o 3.Find the length of the arc if a circle if the degree if the arc is 120o and the length of the radius is 8cm. 4. A circle has a radius of 7. Find -
## math

1. if x=2y, find x and y 2. if x is 10 degrees more than twice y find x+y 3. find x+y if x is greater than y by 12 degrees -
## Calculus

Let f(x)=(x/x+3). Find Domain Find f^(-1) and its domain Verify f*f^(-1)=f^(-1)*f=x Find (f(x+h)-f(x))/h. -
## Maths

Point P in the curve y=x^3 has coordinates (3,27) and PQ is the tangent to the curve at P.Point Q touches the x-axis.Find the area of the region enclosed between the curve, PQ and the x-axis. My answer: I used differenttiation to find the gradient of the -
## Math urgent..............help.....

the table below shows the registered Democrats and Rebuplicans in a school Women men Democrates 152 88 Republicans 98 122 a) find the probbility that a randomly selected person from the school is a male republican. b) find the probbility that a randomly -
## Math

A survey finds that 38% of kids like tv, 24% like radio, and 13% like both. A.Find percent of kids that like tv but not radio. B.Find the percent of kids that like neither tv or radio. C.Find the percent of kids like either tv or radio D.Find the -
## Math

1. Find the 11th term of the geometric sequence 64, -32, 16, -8, … . 2. Find the 1st term of a geometric sequence with a 10th term -1024 and r = -2. 3. Find the sum of each infinite geometric series, if possible. a. 10 + 2 + 2/5 + ..... b. 1.2 – 2.4 + -
## Math 8th grade

I NEED THESE IN ALGEBRAIC EXPRESSION!! The larger of two sums is 12 more than the smaller. Their sum is 84.Find the numbers. The sum of two numbers is 45. The first is 9 less than the second.Find the numbers. The second of two numbers is 5 more than twice -
## Physics

A wire is frictionless between points A and B and rough between B and C. A is 5m above the ground, B is zero, and C is 2m above the ground. The 0.400kg bead starts from rest at A. If the bead comes to rest at C, find the loss in mechanical energy as it -
## calc

find the area between the x-axis and the graph of the given function over the given interval: y = sqrt(9-x^2) over [-3,3] you need to do integration from -3 to 3. First you find the anti-derivative when you find the anti-derivative you plug in -3 to the -
## solving trigonometrical equations

arctan(tan(2pi/3) thanks. arctan(tan(2pi/3) = -pi/3 since arctan and tan are inverse operations, the solution would be 2pi/3 the number of solutions to arctan(x) is infinite, look at its graph. generally, unless a general solution is asked for, or a domain -
## Math

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details -
## Math

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details -
## Math

Given: f(X)= 8-4x A. Find f(-2) B. Find x, when f(x)= 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0 . Show details on the graph. F. Use the graph to find f(x)when x = 3. Show details on -
## calculus edit

1. Find the volume formed by rotating the region enclosed by x=5y and x=y^3 with y is greater than or equal to 0 about the y-axis. 2. Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis -
## English

Hi! I'm trying to find a lit device for this quote. This quote is from "The Story of An Hour" by Kate Chopin. I'm struggling to find a lit device. So far I've come up with "contrasting diction" but I'm trying to find an even stronger one. Passage: “There -
## analytic geometry

1. Given the parabola defined by y^2 =-12x, find the coordinates of the focus,the length of the latus rectum and the coordinates of its endpoints.Find also the equation of the directrix. Sketch the curve. 2. Find the eccentricity of an ellipse when the -
## math

The length of a rectangular room is two feet less than three times its width. The area of the rectangle is 176 square feet. a) Write an algebraic equation to model this problem. b) Solve the equation to find the dimensions of the rectangle. Another tutor -
## pre calculus

find the following for the function f(x)=(x+3)^2(x-1)^2 a.) find the x and y intercept of the polynomial function f. b.)find the power function that the graph of f ressembles for large values of lxl. c.)determine the maximum number of turning pointsof the -
## integral Calculus

The region in the x-y plane bounded by the curve y=x^2, the line x=0 and the line x=5 and the x-axis. find the volume generated. can you help me check for correction the answer i got was = 625 You want to find volume. Are you rotating the region around a -
## 11th grade

1. Bruce, an appliance salesman, earns a commission of $50 for each washing machine he sells and $100 for each refrigerator. Last month he earned $500 in commissions. Find all possibilities for the number of each kind of appliance he could have sold. 2. -
## physics

Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 65.0ú. Dog " A" exerts a force of 256 N and dog " B " exerts a force of 344 N . I) Find the magnitude of the resultant force. ( Answered = 508 N ) II) Find the angle -
## calculus -- PLEASE HELP!

1. Describe how you could approximately find the total number of particles in a rectangular box that is 2m x 2m x 3m by making no more than 12 samples. 2. You know the following facts about a function f(x): The derivative of f(x) is 6x + 4. The integral of -
## health information

I am doing a research paper on ethical opinions on computer confidentiality. It tells me to go to AMA site and find my sources. I have went there and cant find the correct ones to use i guess. Can some please help. -
## physics

Leroy, who has a mass of 100kg , is skateboarding at 8.4m/s when he smacks into a brick wall and comes to a dead stop in 0.2 s. Find his deceleration. Find the force of impact. (ouch!) -
## Organic chem.

I need to find examples of reagents used in performing chemical resolutions of acidic, basic, and neutral racemic compounds. I have searched all over the internet and cannot find anything... please help. -
## Physics

A ball thrown vertically upward is caught by the thrower after 20.0 s. FInd (a)the initial velocity and (b) the maximum height it reaches. All I am given is time. How am I suppose to find (a) and (b)? -
## communication

I just need to find out, were can I find any info on how doe the media influence or affect children. I need the history and the controversy and identify the major conflicting points of view -
## Elementary Statistics

Given a level of confidence of 95% and a population standard deviation of 13, answer the following: (A) What other information is necessary to find the sample size (n)? (B) Find the Maximum Error of Estimate (E) if n = 82. -
## HCA/220

Hello, I am working on a powerpoint presentation and I am trying to find images that I can use that can relate to the anatomy. I am having hard time trying to find pictures that do not have a copy wright on them. Do you have any suggestions? Thanks -
## Calculus AB/BC

What's the purpose of finding derivatives? I don't understand why you would need to find a derivative, which is the tangent of the slope of a point on a graph, to find something like "How far did Bob fall". Confusing. Please help. Thank you! -
## Physics

This is a two-dimensional kinematics question: A particle's position coordinates (x,y) are (2m, 3m) at t=0; (6m, 7m) at t=2s, and (13m, 14m) at t=5s. Find the average velocity vector between t=0s and a) t=2s, b) t=5s. I don't know how to find this without -
## Physics

Leroy, who has a mass of 110 , is skateboarding at 9.4 when he smacks into a brick wall and comes to a dead stop in 0.2. Find his deceleration.Find the force of impact. (ouch!) -
## Trig/Precalc

Find the greatest possible value of 5cos(x)+6sin(x). I know that it would be a good idea to look for identities that are in the form of acos(x)+bsin(x), but I can't seem to find any. Other than that I don't really know where to go with this problem. Any -
## physics

In the figure below, a stone is projected at a cliff of height h with an initial speed of 44m/s directed 60° above the horizontal. The stone strikes at A, 5.8s after launching. (a) Find the height, h, of the cliff. (b) Find the speed of the stone just