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!

85,802 results, page 46
1. College Algebra

The manufacturer of an energy drink spends \$1.20 to make each drink and sells them for \$3. The manufacturer also has fixed costs each month of \$9000. A.Find the cost function C when x energy drinks are manufactured. C(x)= B. Find the revenue unction R when
2. Maths

Hi I am really sorry I now people have already attempted to help me with this one already, however I am still not able to understand, I really have not done a lot of these equations and am struggling. I have put a little more information down this time,
3. Physics 102 (College)

I'm stuck on part B of this question: A system does 125 J of work on environment and gains 79 J of heat in the process. Find change in internal energy (delta U, abbreviated dU)of a. the system and b. the environment. A. Find dU of the system W = 125 J Q =
4. Physics 102 (College)

I'm stuck on part B of this question: A system does 125 J of work on environment and gains 79 J of heat in the process. Find change in internal energy (delta U, abbreviated dU)of a. the system and b. the environment. A. Find dU of the system W = 125 J Q =
5. math

you find a sales receipt from a store that shows the total price as \$40, and the total amount paid including sales tax as \$42. a. Write an equation you can use to find the sales tax rate r. b. Can you use r to find the percent for the sales tax?
6. Calulus

Consider the function y = 2x^3-3x^2+9x+5. 1. Find where the function is increasing, where the function is decreasing, and calculate all relative extrema (local max and local min) 2. Find where the function is concave up, where the function is concave down,
7. MATH

How can I find the vertex, axis of symmetry? I know to find x and y intercepts i use the quadratic formula. I am given the parabola y=x^2+6x+5 I do not want the answer.. Just please explain to me how to solve for it. what method do I use???
8. trig

my question is find all angles of theta and 2pi whose reference angle is alpha = pi/12. Give exact answers. i cannot for the live of me find this
9. social studies

Find me a site for this sentence: a project in which canadians are providing aid in the area of health care or education. I can't seem to find one
10. Math

Find a linear equation whose graph is the straight line with the given property. Through (5, 9) with slope 2 I can't find the correct answer. I don't know where I did wrong Thanks.
11. math

1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 A)15 B)15/2 C)-15 D)1/15 I chose A 5)Find the fifth term of the sequence in which a1=-3,and aN+1=3aN-n A)-301 B)-99 C)-193 D)-341 I don't know
12. math

1.)Name the property that is illustrated. a) 7 „e 6 ƒ­ 6 „e 7 b) 7 ƒy (1 ƒy 9) ƒ­ (7 ƒyƒn1) ƒy 9 2.) a) Identify the base in the following statement b) Solve for the amount. What is 81% of 285? 3.)a) Find the supplement of „£A. b) Find the
13. Business

Soi had to find out what inventory valuation method Cineplex uses for an assignment, but I searched their annual reports continuously and I cannot find an answer, does anyone know?
14. math

Let S be the part of the sphere x^2 + y^2 + z^2 = 25 that lies above the plane z = 4. Let S have constant density k. (a) Find the center of mass. (b) Find the moment of inertia about the z-axis.
15. AP US history

In the early 1700's, what problems did the Connecticut river valley colony have? and what disadvantages of the area did they find? I've been looking everywhere but this was after the Pequot war and I can't find anything. Thanks so much!
16. college algebra

given the functionf(x)=x^3+3x find the rateof change between the two stated values for x:1 to 2 find the equation of a secant line containig the given points (1,f(1))and (2,f(2))
17. Calculus-PLZ help!

Given u=3i-2j+k,v=2i-4j-3k, w=-i+2j+2k, 1 Find a unit vector normal to the plane containing v and w. 2 Find the volume of the parallelepiped formed by u, v, and w. 3 Are any of these vectors parallel? Orthogonal? Why or why not?
18. algebrae

joey and three of his friends go to the movies. Each ticket costs \$7.25. Write an algebraic expression to find to find the total cost of the tickets.
19. math

Find the GCF of the numbers using an appropriate method. 84 and 126 Find the prime factorization of the number, and write it in exponent form. 198
20. math

suppose x S f(t) dt= x^2 - 2x + 1. Find f(x). 1 S = integral and 1 = lower level, x = upper i don't understand what i'm supposed to find/what to do and i didn't make any typos.
21. POLYNOMIALS

I'm really sorry, i'm preparing for O levels, so i have a lot of maths questions to ask... please excuse me... Question: Find the value of k for which a-3b is a factor of a^4 - 7a^2b^2 + kb^4. Hence, factorise completely. How do i even find k??? Please
22. calculus

Find an equation of the tangent line to the curve at the given point. y= (1+3x)^12 , (0,1) and find y' and y" y=cos(x^2) I got y' = -2xsin(x^2) i keep trying to get double prime but everything i try isnt working.
23. Math

Need to find equation for 1250=1200+4-375. Is this possible or impossible. Need to find how to figure these type of questions. This is 3rd grade homework
24. math

can someone please help me with this question. Given the funtion f(x)= 3x-9 a. find the rate of change between the two stated values for x: 7 to 8 b. find the equation of a secant line containing the given points: (7,f(7)) and (8,f(8)) I think I have
25. 6grademath

Pattern of increasing perfect squares is shown25,36-----64,81,100,what is needed to square to find the missing term,5,6,7,8.....how do I find the answer.
26. math

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.
27. mega urgently important maths

the functions f and g are defined by f(x)=2/(x+1), x>0 g(x)=1-x^2, xER a)find value of fg(x)giving your answer in the simplest form. b) find f^-1(x) c) solve f(x)= f^-1(x)
28. calculs

Find the volume when the plane area bounded by y=-x^2-3x+6 and x+y-3=0 is revolved about (1) x=3 and (2) about y=o B. Find the volu6 of focus generated by revolving the circule x^2+y^2=4 about the line x=3
29. physics

A solenoid of radius 2.30 cm has 380 turns and a length of 15.0 cm. (a) Find its inductance. (b) Find the rate at which current must change through it to produce an emf of 76.0 µV
30. math

suppose x S f(t) dt= x^2 - 2x + 1. Find f(x). 1 S = integral and 1 = lower level, x = upper i don't understand what i'm supposed to find/what to do and i didn't make any typos.
31. calculusiii

Let S be the part of the sphere x^2 + y^2 + z^2 = 25 that lies above the plane z = 4. Let S have constant density k. (a) Find the center of mass. (b) Find the moment of inertia about the z-axis.
32. Chemistry

A solution has a pH of 3.90. What is the hydroxide ion concentration? I know that I need to find H30+ first but my teacher doesn't allow calculators on the test. So how would I find the answer WITHOUT a calculator?
33. marine science

I have to find the type of organisms that the Black alder (plant) competes with or will displace. I have been googling this forever but I still cannot find the answer. Can someone please help!! Thanks
34. random

why cant I find a question that I posted earlier? I find it but when I click on it it takes me back to the list of questions asked today, but mine is not there! WHY?
35. summery

my teacher told me to find something funny about brooklyn. i spent 2 1/2 hours in looking for it but couldn't find anything. plssssssssssss u must help me im getting tierd of looking at the computer screen.
36. Math and Science 6th grade

Hello! I need help to find a source where I can find the accurate weather of a week in July. I would very much appreciate a direct link to a website. Thanks!
37. language art

From the play "The Diary of Anne Frank" Examples of Dramatic Irony - Find 3 of them. Find the quote. Explain why it is ironic.
38. calculus

Consider the following. y = (2x2 + 5)(x3 − 25x) at (5, 0) (a) At the indicated point, find the slope of the tangent line. (b) Find the instantaneous rate of change of the function.
39. calculus

x^2 + y^2 = 25 3x + y = 15 Find the two points of intersection. I don't just want the answer, if you could tell me how to find it, it would save my life. The sqaure root is making it really hard for me to understand.
40. physics

Here is a problem: If i have a wire that is 75.0cm long and 0.550 mm in diameter and it has a 25 kg weight attached. I am trying to find stress and i have the area but I do not know how to find the force?
41. Read and Write

On my homework I have to put what kind of government that Columbus Indiana has. Can anyone direct me to a website where I could find this information. I have googled and can not find it.
42. Help Please Stat-Math

According to an airline, a particular flight is on time 75% of the time. Suppose 140 flights are randomly selected and the number of on time flights is recorded. Determine if you should use the Binomial model or Normal model to solve this problem. show
43. english/please help revise

According to scholar Frederic Grare, the underlying issues that are generating the conflict are “expropriation, marginalization, and dispossession” (Grare 5). The Pakistani government has expropriated Baluchistan land the for recreation area. Despite
44. Physics forces unit

I was wondering, how I would find the ratio of force to acceleration? I am doing an assignment where i had to find the force applied and the measured acceleration but I don't know how to find the ratio of force to acceleration. Thanks in advance!
45. math

An arithmetic progression as the same first and second terms as the geometric progression. Find the sum of the first 20 terms of the arithmetic progression. How do I do this? I tried to find the common ratio for G.P. and then substitute it to find the 20th
46. Trigonometry - LONESTAR

The figure below is a model of a Ferris wheel. The diameter of the wheel is 191 feet, and one complete revolution takes 15 minutes. The bottom of the wheel is 11 feet above the ground. Complete the table below. (Round your answers to two decimal places.) t
47. 7th grade math help Ms.Sue please ASAP

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21
48. Vectors

I am really lost and confused! Consider the lines r = (1,-1,1) + t(3,2,1) and r = (-2,-3,0) + u(1,2,3). a) Find their point of intersection. b) Find a vector equation for the line perpendicular to both of the given lines that passes through their point of
49. Geometry - not Geography

A line segment on a number line has its endpoints at -9 and 6. Find the coordinate of the midpoint of the segment. A. 1.5 B. -1.5 C. 2 D. -3 2. Find the coordinates of the midpoint ~hx(line over hx) given that H(-1,3) and X(7,-1). A. (3,1) B. (0,4) C.
50. Calc

lim as x --> infinity of (x^2-16)/(x-4) is 8 By graphing, find an interval for near zero such that the difference between your conjectured limit and the value of the function is less than 0.01. In other words, find a window of height 0.02 such that the
51. calculus

s(t)=-16t^2+v(subscript0)t+(subscrpt0) a silver dollar is dropped from the top of a building that is 1362 feet tall. a) determine the position and velocity f'cn for the coin. b) determine the avg velocity on the interval [1,2] c) find the instantanous
52. Uniform Motion

It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 8.00m every
53. Uniform Motion

It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 8.00m every
54. Calculus

Let f(x)=3x^4-2x^2+3 a) find f'(x) Answer: f'(x)=12x^3-4x b) find the slope of the line tangent to the graph of f at x=3. Answer:312 So I got those firs two right but what I need help with is part C which is c) find an equation of the line tangent to the
55. physics 1

If the position of an object is given by x = 2.00t^3, where x is measured in meters and t in seconds, find (a) the average velocity and (b) the average acceleration between t = 1.0 s and t = 2.0 s. Then find (c) the instantaneous velocity v and (d) the
56. Statistics

A simple random sample of 50 students is taken from a class of 300 students. In the class, * the average midterm score is 67 and the SD is 12 * there are 72 women Let W be the number of women in the sample, and let S be the average midterm score of the
57. college physics

tennis ball rolls off the edge of a tabletop 0.900m above the floor and strikes the floor at a point 1.60m horizontally from the edge of the table. A: Find the time of flight of the ball B: Find the magnitude of the initial velocity of the ball. C: Find
58. Algebra

Let f(x) = x^2 – 3x + 8 and g(x) = x – 5 (a) Find the sum (f + g)(x) and simplify the results. (b) Find the composite function (f º g)(x) and simplify the results. (c) Find (f º g)(2) Show some work. (d) Find the composite function of (g º f)(x) and
59. Please help with drivers education

1. When you must handle several hazards at the same time, the best tactic is to (1 point) compromise the hazards. adjust speed to separate the hazards. minimize, then separate the hazards. minimize, then compromise the hazards. 2. How many zones of space
60. 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
61. 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
62. 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.
63. 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
64. 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
65. 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
66. 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
67. 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, .....
68. 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
69. 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)
70. 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
71. 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
72. 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
73. 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
74. 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
75. 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.
76. 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.
77. 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??
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.
79. 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.
80. 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.
81. 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.]
82. 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
83. 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
84. 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.
85. 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
86. 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?
87. 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?
88. 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
89. 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.
90. 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.
91. 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.
92. 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.
93. 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.
94. 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,?)
95. 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.
96. 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.
97. 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
98. 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
99. 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
100. 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