Pre- Calculus

21,824 results, page 82

  1. calculus

    Find the equation of the curve for which y'=3x² and which passes through (1,-1).
  2. Calculus 1

    Find the exact value of each expression. (a) cot^-1(sqrt(3))
  3. Calculus

    Find the equation of the tangent line to f(x)=sec x - 2 cos x at (pi/3, 1).
  4. calculus

    Find the area bounded by the curve y=1/2+2, the x-axis, and the lines x=1 and x=4. a.7 1/2 b.10 2/3 c.16 d.28 1/2
  5. calculus

    hey guys, quick question (-8 +- sqrt -20)/-6 what does this equal
  6. Calculus

    How can I show that the function F (x)= the integral from 2x to 5x of 1/ t dt is constant on the interval (0, +∞).
  7. Calculus

    Maclaurian' series example "f(x)=tanx" give me answer
  8. Calculus 1

    Find the equation of the tangent line to the curve y = (9 ln x)/x at the points (1, 0) and (e, 9/e).
  9. Calculus 1

    Find the linear approximation of the function g(x)=cube root(1+x) at a=0.
  10. Calculus

    Find constants a and b in the function ax^b/ln(x) such that f(1/5)=1 and there is a local min at x=1/5
  11. Calculus

    Evaluate the integral. (Remember to use ln(|u|) where appropriate.) cot^3(3x) dx
  12. Calculus

    Find the area of the unbounded shaded region. Y= 7/ SQRT 7-X
  13. Calculus

    Find the area of the unbounded shaded region. Y= 7/ SQRT (7-X)
  14. Calculus

    Evaluate using long division. The integral of x/6x-5 dx How do I divide this?
  15. Calculus 1

    Find the local maximum and minimum for the function f(x)=2x^3-3x^2-120x+10
  16. Calculus

    Evaluate using long division. The integral of x/6x-5 dx How do I divide this?
  17. Integral Calculus

    Integrate (tan^-1 X)/(1+x²) dx please help, I don't know how to start this one
  18. Integral Calculus

    Integrate (tan^-1 X)/(1+x²) dx please help, I don't know how to start this one
  19. Mulitvariable Calculus

    How to proof tangential and normal components of a vector Thank you
  20. Calculus

    Solve the following problem by separation of variables. T^2y'-t=ty+y+1 Y(1)=0 Y is a function of t.
  21. Calculus

    What is the first derivative of the following function: f(x) = a^(-bx)? (I am lost with this question)
  22. Calculus

    Find the volume bounded above by parabolic z = 6 - x^2 - y^2 and below by z= 2x^2 + y^2
  23. calculus

    25pi/3=1/2xsquare root of 100x^2 and plus 50 arcsin(x/10)
  24. Calculus

    Find the specific solution of the differential equation dy/dx= 4y/x^2 with condition y(-4) = e.
  25. Calculus

    Find the y-intercept of the tangent line to y= -0.2/sqrt(6+5x) at(2.5,-0.04990597277) Thanks
  26. Calculus

    The particular solution of the differential equation dy/dt=2*y for which y(0) = 60 is y = 60e2t y = 60 e0.5t y = 59 + et y = 30et
  27. Calculus

    Given that the antiderivative of f(x) = e4x is F(x) = 1/4e^4x+C, evaluate the integral from 0 to 2 of e^4x, dx. e^8 1/4(1-e^8) 1/4(e^8-1) 1/4e^8 (MY ANNSWER)
  28. Calculus I

    For what values of a and b is the line -4x+y=b tangent to the curve y=ax^3 when x=4? Can anyone give me the hint?
  29. Calculus

    An equation of the line with slope -1 that passes through the point (2,5) is y=-x+7
  30. Calculus

    Find the 4th Taylor polynomial, P4, generated by f(x) = 1/x at center a = 2 ?
  31. Calculus

    Find the 4th Taylor polynomial, P4, generated by f(x) = 1/x at center a = 2 ?
  32. calculus help

    integrate:dx/(3x^3-5)^3 i don,t know how to use wolframalpha plz show me step....
  33. calculus

    sin(cos^-1(x/2))= draw right triangle to simplify
  34. Calculus question ?

    Are there any horizontal asymptote on a ln natural log function
  35. Calculus

    I need help I have to submit work at 12 est time
  36. Calculus

    let f(x)=2x-7. Use the rigorous definition of limit to show that lim x-->4 f(x)=1
  37. Calculus

    Use implicit differentiation to find the derivative of y with reapect to x x^2y-y^2+ln(xy)=1
  38. Calculus

    Does the series converge? diverge? Use the Root test ((1/n)-(1/n^2))^n
  39. Calculus

    Solve the following equation on the interval [0,2pi) if sin = -0.29?
  40. calculus

    find the area of the parallelogram that has vectors as adjacent sides u = -2i +j +5k v = 4i -3j -3k
  41. Calculus

    Evaluate using tabular method: integral e^(2x)cos3xdx
  42. math

    Y=Ax^2+Bx has agradient of 7 at the point (6,8) ,find the constant numbers of A and B ? *calculus*
  43. calculus help me asap

    if y^6=tanh^-1(tan^-4(4x^2+y^2)^2)^9 find dy/dx show work....
  44. Calculus

    Find a value for k so that the function is continuous. f(x) = {(x^2 + 2x - 15)/(x - 3), x ≠ 3 and 2kx - 4, x = 3 Is k = 2?
  45. Calculus

    Suppose you know f′(a) = R, a, R > 0. If f is an odd function, what is f(−a)? Explain
  46. calculus help

    if y^3=6xy-x^3-1 show that the maximum value of y occurs where x^3=8+2sqrt(14)
  47. Calculus

    Can you please help me find the x and y intercepts of this equation. How do I solve this? y= x^2 √9-x^2
  48. Calculus

    Find the equation of the tangent line to the curve 2x^2y-3y^2=-11 at the point (2,-1).
  49. Calculus

    Find the Riemann sum for f(x) = sin x over the interval [0, 2π], where x0 = 0, x1 = π/4, x2 = π/3, x3 = π, and x4 = 2π, and where c1 = π/6, c2 = π/3, c3 = 2π/3, and c4 = 3π/2.
  50. Calculus

    Use the function f and the given real number a to find (f^-1)'(a) f(x)=x^3+8x-3 a=6 (f^-1)'(6)= Thank you.
  51. Calculus

    Find the derivative. y=e^8x/[e^(8x)+9] y' = The answer I have is 8e^8x/[(e^8x+9)^2] but it marked it incorrect..
  52. calculus

    find the area of the region bounded by the curves f(x)=x-x^3 ; g(x)=x^2-x ; over [0,1]
  53. calculus

    Use the definition of derivative: lim(as h approaches 0) (f(x+h)-f(x)/(h) to find f(x)=(1)/(2x).
  54. calculus

    how do you find the derivative of this (-x^2)/ (2) +2 and does it have any x intercepts, asypmtotes, or holes.
  55. Calculus

    Find the magnitude and direction angle of p=42i+35j
  56. Calculus

    Find the magnitude and direction angle of p=42i+35j
  57. Calculus-derivatives

    At what points on the graph of f(x)=6x^2+4x-9 is the slope of the tangent line -2?
  58. Calculus

    Given k(p) = |p|+4, find the average value of this function on the interval from -4 to 4. I get 6.
  59. Calculus II

    If {an} (a sequence) is decreasing and an > 0 for all n, then {an} is convergent. True/False?
  60. Calculus

    Find the derivative of the integral from x^3 to 5 of cosk/(k^2+2). My answer is ((-cos(x^3)(3x^2))/(x^6+2).
  61. calculus

    dt/dx= ((x^2+a^2)^(1/2))/v1+((b^2+d^2)^(1/2))/v1 the function dt/dx has a zero at a unique x on (0,d). Use this to justify your discovery that d= (x^2+a^2)^(1/2) + (b^2+d^2)^(1/2)
  62. Calculus Antiderivatives

    Find a function whose derivative is a constant k
  63. Calculus

    Evaluate the integral by interpreting it in terms of areas. 0 (3 +sqrt(1 − x2)) dx −1
  64. calculus

    dy/dt = 2y^(1/2) y(0)= 2 What is Euler's method for computing yk+1 from yk with step size delta t when yo= 10
  65. Calculus

    Find the derivative of the function y=S 10(t)^1/2 sin(t)dt y'=? S=integration symbol b=x^3 a=(x)^1/2
  66. Calculus

    find the area of the region bounded by the graphs of y=x^2 and y=cos(x)
  67. calculus

    Find a Cartesian equation for the curve and identify it. (r^2)cos(2θ)=1
  68. Calculus

    Compute the absolute and relative errors in using x to approximate x. x=pi; c=3.18
  69. calculus

    Find the area of the region enclosed by the parametric equation x = t^3−3t y = 6t^2.
  70. Calculus I'm really confused

    solve the differential equation dy/dx=y^2/x^3 for y=f(x) with condition y(1)=1.
  71. calculus

    Q.NO.1: Show that the function z=ln(x^2 + y^2)+2tan^-1(y/x) satisfies Laplace’s equation. (∂^2z/∂x^2)+(∂^2z/∂y^2)=0
  72. calculus

    Q.N0.2: Show that u(x,y)=ln(x^2 + y^2) and v(x,y)=2tan^-1(y/x) satisfy Cauchy-Riemann equations (∂u/∂x)=(∂v/∂y) and (∂u/∂y)=(-∂v/∂x)
  73. calculus

    Find the radius of convergence, R,and the interval, I, of the series. starting n=1 [(x-4)^n]/(n^n)
  74. calculus

    Evaluate the indefinite integral as an infinite series. [cos(x)-1]/x dx
  75. Calculus

    f(x) = sqrt(x+1) a=3 change of x =.8 to estimate f(3.8)-f(3) use linear approximation
  76. Calculus

    Let f(x)=sqrt(x+2) and use the Linear Approximation to this function at a=14 with Δx=0.3 to estimate f(14.3)−f(14)=Δf≈df=
  77. Calculus

    Which value of c satisfies the MVT for f(x) = x*sinx on [1,4]? My answer is 2.463.
  78. Calculus

    Find where the function is increasing and where it is decreasing f(x)=2sin(x) on [0,2pi] Thanks
  79. Calculus

    Solve using chain rule y=(3x^3+1)(-4x^2-3)^4 So far, I have: y'=(3x^3+1)*4(-4x^2-3)^3*(-8x)+(-4x^2-3)^4*(9x^2)
  80. Calculus

    Find dy/dx and express the final answer with a common denominator y=ln x^(2(4x-12))
  81. calculus 2

    How to solve the definite integral of(3x+pi)cos3xdx from [pi over6,pi over 3]
  82. Calculus

    Find the radius of convergence of the series from n=0 to infinity of ((9x-4)^(2n+1))/(n^(3/2)). I think it is 5/9.
  83. calculus

    a) For the function y= e^-3x, determine dy/dx, d^2/dx^2 and d^3y/dx^3. b) From the pattern in part a, state the value for ((d^n)y)/(d(x^n)).
  84. Calculus

    how to find the derivative of the function. y=integral cos(u^4) from 4cos(x) to 4x
  85. Calculus

    If f is a vector-valued function defined by f(t) = (e^(2t), lnt), then what is f ''' (t)? A. 8e^(2t) - 2/t^3 B. (e^(2t), -2/t^3) C. (4e^(2t), -1/t^2) D. (8e^(2t), 2/t^3) E. 4e^(2t)/t^3 I think it is D.
  86. calculus

    Find all solutions in the interval [0,2π) sin3x−sinx=0
  87. Calculus 2

    Calculate the arc length of y= 1/4x^2−1/2ln(x) over the interval [1,6e]
  88. AP Calculus 12

    Please help me with this question: lim __1_-_cosx__ x-0 sinx Thank you!
  89. Calculus

    Given that 1 x^2 dx=1/3, 0 use this fact and the properties of integrals to evaluate 1 (8 − 3x^2) dx. 0
  90. Calculus

    Suppose f and g are continuous functions such that g(7) = 6 and lim [3f(x) + f(x)g(x)] = 18. x → 7 Find f(7).
  91. Pre-Algebra

    Write a rule for this pattern.Fing the next three numbers in the pattern. 1,4,10,22,46,94 the answer that i came up with was that the pattern start with one add 3 and it goes by 3's or 6's. Please and Thank- you Can you see that each term after 1 is the previous term + 1, then...
  92. pre cal 11

    i am stuck at a question that is asking for the common difference, first term, and general term for the arithmetic sequence the question is t10=50 and t27=152 i found my d=6 and t1=(-4) so know my equation is: tn=(-4)+(n-1)6 i had asken my teacher to tell me what the general ...
  93. Pre-cal/trig

    A dog is attached to a 21​-foot rope fastened to the outside corner of a​ fenced-in garden that measures 18 feet by 22 feet. Assuming that the dog cannot enter the​ garden, compute the exact area that the dog can wander. I'm confused as to how they want me to solve this...
  94. The Inspection Process

    In some states, real estate agents are legally required to A. back up the claims their clents make about home conditions. B. appraise the values of the properties they sell. C. hire home inspectors to perform pre0sale inspections. D. pay the fees the pre-sale home inspection.
  95. The Inspection Process

    In some states, real estate agents are legally required to A. back up the claims their clents make about home conditions. B. appraise the values of the properties they sell. C. hire home inspectors to perform pre0sale inspections. D. pay the fees the pre-sale home inspection.
  96. math- last time then i'm giving up

    im sorry but this problem is part of a major grade i have in my pre-ap algerbrea 2 class.... ummm... okay lxl <--these are going to be absolute value bars. 1. Solve lax+bl <or equal to c for x in terms of a, b, and c where a>0 and c>0 2. Now solve lax+bl >or ...
  97. Pre-Algebra Math

    A bank teller is counting his money and notices that he has an equal number of tens and twenties. He also had $147 in other bills. If the total value of the bills he has is $1,167, how many tens and twenties does he have What would be the equation in algebra?
  98. pre-algebra

    Use an inequality to solve the problem. A shopkeeper is making a triangular sign for his store front, but he must keep the sign under 20 square feet to adhere to the zoning laws. If the base of the sign is 20 feet, what is the maximum height of the triangular sign?
  99. Pre calc quick question

    if a problem says f(x)=square root x^2-16; x less than or equal to -4. Find domain and range. to do this i set up the equation like x^2-16 less than or equal to -4. However by doing this I am runnning into complications findng domain and range. Am i doing it wrong can someone ...
  100. MATH: Pre-Cal/Trig

    The length of a rectangular flower garden is 6 more feet than its width. A walkway 3 feet wide surrounds the outside of the garden. The total area of the walkway itself is 288 square feet. Find the dimensions of the garden.
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