# 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!

143,419 results, page 57

1. ### Precalculus

If f(x-2)= square root of x^2 - 16 and g(x)= 3^x/(2-x), then find [f(3)+g(5)]/2. I honestly don`t even know where to start! please help :[
2. ### Algebra 1

Find the slope. -2x-9y=-29 Can you please work it out for me so I will know how to do the next one.
3. ### Algebra I

Please help. Find all positive values for k for which the following can be factored. x^2 + x - k

7. ### math

FIND the integer of N=abcd....yz let M=zabcd....y if M=3N what was N? please help me figure it out!

9. ### algebra

Can someone help me with this please? I am trying to find the solution for 5/(4x) + 1/(8x) = 5/8 + x x = ? would the answer be x=5/3?

If f(x)=x^2+1 and g(x)=1/x, find [f o g](x) I need a little help in getting started. Please and Thank you.

12. ### calculus

Can anyone please explain to me that how can I find the discontinuities of the following function? f(x)=[(x+1)(x+2)]/(x-3)^2 THANKS A LOT~!
13. ### math

(x+y+5)+2x=180 find the value of x and y. please show you got the answers.
14. ### albegra

Will someone help me solve this problem PLEASE!!! Find -xwhen x = 79/57 and simplify

The vertices of triangle ABC are (2,2), B(3,-1) and C(0,1). Find the coordiantes of the circumcenter.
16. ### trigonometry

can you please tell me what is the sec of (-855 degrees). and how to find it. thnks
17. ### english

can anyone find me chapter summaries for the book "the sturdy oak" please
18. ### math

Use the solution of the system below to find x-y: 4x-2y=11 3x-4y=-6 a 11.3 b 0.1 c -0.1 d -11.3 please explin how to do this. Thanks!!!
19. ### math

Use the solution of the system below to find x-y: 4x-2y=11 3x-4y=-6 a 11.3 b 0.1 c -0.1 d -11.3 please explain how to do this. Thanks!!!

Qn: the equation of the tangent to the curve y=kx+(6/x) at the point (-2,-19) is px + qy = c find the values of k, p, q and c

23. ### Algebra 1

Find the equation of the ine that contains the point (5, - 1) and has slope 1/5. please help!
24. ### Math

Please help me find the pattern 212 , 106 , 135 , 67 , ___ , 47.5
25. ### Math

Please help me find the pattern 212 , 106 , 135 , 67 , ___ , 47
26. ### Math

{-1, 0, 1, 2, -1, 0, 1, 2, -1, 0, 1, 2, 1, 1, -2} I need to find the standard deviation of this set of numbers please help!!!

How do i find the number of degrees in a point angle...for example {6/2}
28. ### Algebra

Please help me find the slope and the y-intercept for the line repesented by the equation y=3x/2. Thank you.

30. ### Math (repost)

Find the real solutions of each equation. x=2 srqt 6x-36 I do not know where to start.

Find the real solutions by factoring. 7x^3 = 2x^2 x^2(x+7) = x(x+2) x=0 x=-7 x=-2 Is this correct?
33. ### calculus

find the derivative of the function (6x+1)/(19x+1)^1/2 PLEASE EXPLAIN IM LOST

36. ### math

Find the x-intercept 3x-5y=14y+9x I think y=0 but 3x=9x does not make sense to me. Please help me. Thank you.
37. ### Math

Let f(x)=4−x^2. Find each of the following: (f(2+h)- f(2))/h = ________ lim h->0 (f(2+h)- f(2))/h = ______
39. ### calc

Can someone please show me how to find the integral of sin squared x?
40. ### Math

/-8/+/5/ Simplify??? the lines are supposed to go straight but ya i cant find how to do this or the answer please HELP!!!
41. ### calculus

Please help find the solution to the initial value problem dy/dx=(1+2cos^2 x)/y with(y>0), and y=1 when x=0. Thanks.
42. ### PHYSICS !!!!!!!!!!!!!!!!!!!!!!!!!!!!

a wave has a frequency of 2 Hz. find its period ? please show work.....
43. ### geometry

Find the area of: A square with radius 9. (Please explain how you found it! Thanks!)
44. ### math

given the equation of this line - 2/3X +5y=7, please find the slope of the Y intercept
45. ### calculus

Find the derivative of the function. 1. 2x+5/3x-2 2. (1-x)(1+x^2)^-1 Please show work. TYVM. :)

47. ### algebra

Given f(x) and g(x) below, find: (a) f+ g (b) f- g (c) f*g (d)f/g Please show all of your work. f(x) = ãx g(x) = 6x-5
48. ### calculus

Please help me find the derivative of f(x) = x^(2^x) I got to ln(f(x)) = 2^x(lnx) but now I'm stuck..

50. ### Geometry

How do you find the perimeter of the rectangle? L = 10.6 in and h = 6.1 in Can someone please explain this to me? Thank you kindly.
51. ### Geometry

Find the perimeter of the trapezoid. L1 = 9.65 yd, L2 = 9.25 yd, L3 = 10.12 yd, and L4 = 6.20 yd Can you please explain how I answer this? Thank you kindly:)
52. ### precalculus

Given f(x) and g(x) below, find: (a) f + g (b) f – g (c)f*g(d)f/g Please show all of your work. f(x) = 5x^2-5 g(x) = x – 7
53. ### Mathematics

Given that a√b^2-c = 5k, find the value of: 1. k when a = 3, b = 6 and c = 20 2. c when a = 4, b = 7, and k = 11 Explain your working please

Find the centroid of the area bounded by the parabola y=4-x^2 and the x-axis A.(0,1.6) B.(0,1.7) C.(0,1.8) D.(0,1.9)

Find all the critical numbers for the following function. F(x) = (16 - x^2)^(3/5)

Describe how you can use mental math to find the product. 15*25
57. ### Hyperbolas

Find the equation of the hyperbola whose vertices are at (-1,-5) and (-1,1) with a focus at (-1,-7). Please and thank you.

find the angle between these lines [x,y,z] = [3,4,1] + s[-1,5,-2] [x,y,z] = [8,5,-9] + t[2,3,-6]
59. ### math

Find the domain of the composite function f of g. f(x)=3/x-6; g(x)= 1/x please help and show the work as well.
60. ### algebra

find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you
61. ### algebra

find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you

find derivative of: f(x)=e^2 I know that b/c e is a constant the answer is 0, but how do I show that in my work?
63. ### algebra

Use synthetic division to find P(3) for P(x)=x^4-6x^3-4x^2-6x-2 Can someone please explain

find the domain of the composite function of fog f(x)=x^2+8;g(x)ãx-5

set up an integral to find the volume of an equilateral tetrahedron.
66. ### algebra 2

find the number of zeros(x-intercept) y=a^2+a-56 show the step please.

68. ### algebra 2

find the solution ,show all the step please y=x^3+125
69. ### Algebra

Use synthetic division and the Remainder Theorem to find P(-5) if P(x) = -x^3 - 4x^2 + x - 2. Please help....?
70. ### Physics

How can we find the resultant force if the mass and SPEED are given?? Help me please!!

72. ### english

find the simple suject of each sentence Please describe the music
73. ### Calculus

Find f(x) so that it satisfies: f'(x)=1+e^x+1/x and f(1) =3+e. Please show all steps so I can follow. Thanks.
74. ### Calculus

Find the derivative of f(x)=ln(e^(2x)/((x^2-4)^3) Please show detail so I can use for reference. Thanks!
75. ### Functions - Math - 8

x: 2 | 4 | 6 y: 1 | 0 | -1 Please show me how to find the rule, thanks. such as... y= *equation*

If c varies directly as the square root of d, and c = 14 when d = 64, find c when d = 324.
77. ### math

Find the remainder when 33! is divided by 37. Please give full solution.

Find a polynominal of degree 4 that has integer coefficients and zeros 4,-4,5 and 1/2.
79. ### Algebra Emergency!!

Find the inverse of f(x)=2x+1/x-1 and please VERIFY(CHECK) Thanks so much
80. ### Algebra 2

f(x) = x^2 + 2 g(x) = 2x^2 - 1 Find the domain of f+g, f-g, fg, and f/g Can someone please explain to me how you would do this problem?

82. ### math

SOMEONE Please HELP /\ ME 3. find the area for the following figure ( 1point ) A. 12 1/2 ft 2 B. 7 7/8 ft 2 C. 8 1/4 ft 2 D . 15 3/4 ft 2

Find the common ratio, r, for the geometric sequence that has a1= 100 and a8= 25/32
84. ### math

how do I find the product for 15x3 1/5 using distributive property,help please
85. ### pre calculus

Find a cubic function with the given zeros. -2, 5, -6 help me please
86. ### mat/simultaneous equation

2x-5y=13, 5x-3y= -15 can anyone show me how to find out the value of x , y please,thanks

88. ### Pre-Calculus/Trigonometry

Help me please, just explain. How would I find f(1)? f(1)= x; -3, -2, -1, 0, 1, 2 f(x); 3.4, 0, -1.2, 0.4, 1.3, 1.7

90. ### Algebra

Let p(x)=2x^3-113 and let q be the inverse of p. Find q(137). Please explain in steps. Thank you.

Find f(x) satisfying the given conditions: 1) f"(x) = 1/x^3 f'(1) = 1/2 f(1) = 0 2) f"'(x) = sin (x) f"(0) = 0 f'(0) = 1 f(0) = 0
92. ### Math

Find all real solutions x to (4^x)-(2^x)=56. Please explain in steps! Thank you.
93. ### Math (calculus)

If y = 2x^3 - 4x and dx/dt = 4, find dy/dt when x = 1. Please show me how to solve this problem with steps.

95. ### ALGEBRA

use the function rule f(x) = x * [-1]^x Find the output (f)2 a 4 b 3 c -2****** d 2 I don't understand, please help
96. ### math

How many square on a chess board? How to find out it? Please explain....