Pre- Calculus

21,824 results, page 91

  1. calculus

    Find the area of the region bounded by the graph of y^3=x^3 and the chord joining the points (-1, 1) and (8,4)
  2. Calculus.

    Use a linear approximation (or differentials) to estimate the given number. radical (99.4)
  3. Calculus

    derivative of y=ln2^x please help, I am getting the wrong answer every time
  4. Calculus

    Determine the value(s) of k such that the area of the parallelogram formed by vectors a = (k+1, 1,-2) and b =(k,3,0) is [sqrt(41)]
  5. calculus

    solve the firs-order differential equation by separating variables y'=xy^3/√(1+x^2)
  6. Calculus I

    Section is Integration by Substitution: Evaluate the indicated integral. x^2 sec^2 x^3dx
  7. Calculus grade 12

    Determine the derivative of each function A1) y = e^x(Sin²x) A2) y = e²Sin²x B1) y = (x³ + 1)e^-2 B2) y = (x² + 1)e^-2 C) y = x²(theta^Sinx)
  8. Calculus grade 12

    Determine the equation of the tangent line to the function f(x) = x + Sinx at x = pie
  9. calculus

    Find the total area enclosed by the functions given below. y=x^2+2x+1 and y=2x+5 limits are -2 to 2
  10. Calculus grade 12

    Explain why three directional vectors of the plane cannot me mutually perpendicular .
  11. Calculus grade 12

    Explain why three directional vectors of the plane cannot me mutually perpendicular .
  12. Calculus

    Approximate the sum of the series correct to four decimal places. n=1 to infinity (-1)^n/4^n*n!
  13. Calculus

    Approximate the sum of the series correct to four decimal places. n=1 to infinity (-1)^n/4^n*n!
  14. Calculus

    Write a vector equation AND parametric equations of the line through the points A(6,-1,5) and B(-2,-3,6)
  15. Calculus

    determine the each resultant a) 10 km/h north followed by 8 km/h west b) 25 N at 10 degrees to the horizontal and 30 N horizontally.
  16. Calculus Grade 12 University

    8. Find the vector equation of the line in which the 2 planes 2x - 5y + 3z = 12 and 3x + 4y - 3z = 6 meet.
  17. Calculus

    Find the shortest distance between the two skew lines L1 and L2 with equations r = [1,2,2] + s [4,3,2] and r = [1,0,-3] + t [4,-6,-1]
  18. Calculus

    Find the vector and scalar equations of the plane containing the line r=(3,5,1)+t(-2,3,1) and the point (1,2,3)
  19. Calculus review

    use the first derivate test to locate the maxima and minima of y = x^(1/3)
  20. Calculus

    Find the derivative of the function y defined implicitly in terms of x. y = sqrt(xy + 9) Please help! Thanks! :)
  21. Calculus

    Find the maximum area of a rectangle that lies above the x axis and below y=9-x^2
  22. Calculus

    Find if the limit exists. lim tan(x)/x x->0 Please show how you determined this. Thanks!
  23. Calculus

    Solve the equation (3^x)^2-12*3^x+27=0 Simplify and write without negative exponents: 3^2(x^-2y^3)^3/4^1/2*x^-4cuberooty^2
  24. calculus

    find one point on the graph of y= x+2cosx such that the tanget is horizontal
  25. math

    Use part I of the Fundamental Theorem of Calculus to find the derivative of g(x)= integrate from 9x to 4x of ((u+4)/(u-1))du
  26. Calculus

    Show that non positive rational number, x, exceeds its cube, x^3 by exactly 1.
  27. calculus

    find the limit. lim (5-e^x)/(5+3e^x) (x-> infinity) how would i go about solving this? thank you in advance to anyone who can help me.
  28. Calculus Help

    Assuming a,b,c and d are positive constants use algebra to find lim (ax^+b)/(cx+d) x-->infinity
  29. Calculus

    I need help solving for this final problem to complete my assigment. Please help! Solve for x: ln(x^4)-ln(x^2)=2
  30. calculus

    Find the dimensions of the largest cylinder that can be cut from a solid sphere of radius a.
  31. Calculus AP

    areas between the curves x=y^2-2, x=y, y=3. int[a,b](f(y)-g(y)) dy i know how to graph. but im have problem with integral.
  32. Calculus

    Find dy/dx by implicit differentiation. x^3 - 3x^2y + 2xy^2 =12 Please show me the work/steps on how to do it.
  33. calculus PLEASE help !

    find the equation for the line tangent to the curve at the given point. y=((x^2)+1)/((x^2)-1) at (2, 5/3)
  34. calculus

    what is the slope of the tangent line passing through the point (2,3) of the graph of this function? f(x)=x^2+2x-5 A 1 B 2 C 3 D 4 E 6
  35. CALCULUS

    what is the area in square units of the region under the curve of the function f(x)=x+3, on the interval from x=1 to x=3? 10 12 14 16 18 ?
  36. calculus

    What is the value of this expression when n approaches infinity? 4 −(4/n)+(5/n)+(15/3n^2) *its all one equation*
  37. Calculus

    Use the substitution x=3tan() to evaluate the indefinite integral 93dx/(x^2sprt(x^2+9))
  38. Calculus

    Evaluate integral of x times the square root of (x-4) dx I got u-(8u^(3/2) over 3) Can anyone check this for me?
  39. Calculus

    Evaluate the limit as h approaches zero of (the cubed root of 8-h)-2/h. Can also be written ((8-h)^1/3)-2)/h
  40. calculus

    determine the cubic function with 1 point of inflection and no relative minima or maxima.
  41. calculus

    for the function f(x)=5/x+4, find the average rate of change of f from 1 to x. please show work
  42. calculus

    solve the inequality algebraically 7x-6 less than or equal to 3x^2 please show work
  43. maths-calculus

    mean value theorem prove sq root 9.1 is less than or equal to 3+1/60
  44. Calculus

    I'm not sure what to substitute in this question. Evaluate the integral Square root (tan^-1(x)) / (x^2+1)
  45. Calculus

    Find a value of the constant k such that the limit exists. x^2-k^2 lim _________ x->8 x-8 k=+/_
  46. Applied Calculus

    Find the derivative of the function f by using the rules of differentiation. f(x)=340
  47. Calculus

    Find the sum of the convergent series. Sigma (lower n = 0; upper infinity) 8*(4/5)^n
  48. calculus

    present value of 450$ in 6 years with a 9.5% discount compounded semi annually
  49. Applied Calculus

    Find the derivative of this function: g(t)=(8t+10)^2*(10t^2-7)^-3 Using the Chain Rule.
  50. Calculus please help !

    Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
  51. Calculus

    Find the derivatives of the function f(t)=cosh^2(4t)-sinh^2(4t). Simplify your answer completely.
  52. Calculus

    What is the connection between improper integrals, Riemann sums, and the integral test?
  53. calculus

    determine the point of intersection of the tangents at the points of inflection to the curve f(x)= x^4 – 24x^2 – 2
  54. Calculus

    Estimate the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles?
  55. Calculus

    For the curve r = 2 sin 3(theta): Find the arc length of one petal
  56. Grade 12 Calculus

    Evaluate each of the following. Show all your calculations.  f" (0) if f(x) = 14x^2 + 3x − 6
  57. Calculus

    find an equation of the tanegent line to the curve 3xsquared + 5ysquared=8 at the point (1,1)
  58. Calculus

    Find the derivative of the following: f(x)=ln(e^(2x)/(x^2-4)^3 Please show all steps so I can follow Thanks!
  59. Calculus-Solved - Incorrect

    k(z)= 4z^4 - z(z+10)/((1+z)^2) derivative? 16z^3 + (3z^3 + 26z^2 + 42z + 10)/((1+z)^4) this is wrong though ^
  60. MATH Calculus Homework

    Find the area of the region between the curve y^2=4x and the line x=3.
  61. MATH Calculus Homework

    Find the area of the region between the curve y^2=4x and the line x=3.
  62. Calculus help!

    Describe the following surface and give traces where available: 16x^2 + 16y^2 - 9z^2 = 0
  63. Calculus

    Given f(x)=1+2cos x , find the area under the curve y=f(x) between x = pi/2 and 2pi/3.
  64. Calculus Grade 12

    Determine the value of k such that the points (4,-2,6), B(0,1,0) and C(1,0,-5) and D (1,k,-2) lie on the same plane.
  65. Calculus grade 12 lines and planes

    Find the value of k so that the line [x,y,z] = [2,-2,0]+ t[2,k,-3] is parallel to the plane kx +2y - 4z= 12
  66. Calculus

    Find the general expression of the kth nonzero term in the taylor series f(x) = 3/(1+x), for k= 0, 1, 2,...
  67. calculus

    Evaluate ∬R 1/sqrt(x^2+y^2) dx dy, where R is the region bounded by y≥0 and x^2−x+y^2≤0.
  68. calculus

    valuate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y62=7x and x^2+y^2=11y
  69. Calculus-PLZ HELP STEVE!

    Find the inverse Laplace transform of the following function: F(s)=(9+s)/(4-s^2)
  70. Calculus

    Express the area of the region in the xy-plane enclosed by the curve ((x^(2))/(9))+((y^(2))/(4))=1 in terms of an integral.
  71. calculus

    find the area enclosed between the x-axis and the curve, if y=x^3 and the straight line y=x
  72. Calculus

    Find the area of the region bounded by the graphs of the given equations: y=x, y=2√x
  73. Calculus

    If f(x)= (1-cosx)/x and g(x)= 2/x on the interval (0,infinity), how would you identify all vertical asymptotes of f and g?
  74. Calculus

    Determine if Rolle's Theorem can be applied. If it can, find all values of c such that f'(c)=0. f(x)=x^3-9x, [-3,3]
  75. Calculus

    Find the derivative of the function y, below. It may be to your advantage to simplify before differentiating. y = 8x(ln(x)+ln(2))-4x+pi
  76. Calculus-concavity and graphing

    (2x+1)/(8x+1) f is increasing for x: f is decreasing for x: find local max/min:
  77. Calculus

    Determine whether the sequence is divergent or convergent. a(sub n)=(−1)^n(sin(2/n))
  78. Calculus

    Using the equations R(x)=-x^2+400x and C(x)=x^2+40x+100, find the Maximum Revenue
  79. Calculus, Limits

    Find the limit. lim t → ∞ (sqrt t + t^2)/(6t − t^2)
  80. Calculus

    Graph the integrands and use areas to evaluate integrals (integrate(3&-3)) root(9-x^2) dx
  81. Calculus

    write and row reduce the augmented matrix to find the general solution: x - 2y + 13 = 0 y - 4x = 17
  82. Calculus

    write and row reduce the augmented matrix to find the general solution: 2x - z = 2 6x + 5y + 3z = 7 2x - y = 4
  83. grade 12 calculus and vectors

    Determine the average rate of change form x = 1 to x = 4 for each function. a) y= x b) y=x^2 c) y=x^3 d) y=7
  84. calculus

    h(t)=tan theta (5pie/3,3pie) graph the function on the given interval
  85. Calculus

    for what values of r does the function y=e^rx satisfy the differential equation y''-4y'+y=0 Show steps please! Thank you!
  86. Calculus

    Use a tangent line approximation at x=0 to estimate the value of sin(-0.1). I got 0.1
  87. calculus

    u have 7 different pass codes from a choice of 8 numbers how many possible outcomes are there
  88. calculus help

    find the position function s(t) given acceleration a(t)=3t, if v(2)=0, and s(2)=1. the answer is s(t)=(t^3/2)-6t +9 but I don't know how to solve this. Can someone help me with this? Thank you!
  89. Calculus

    2x -------- (x-2)(x+2) using partial fractions That's supposed to be a division sign of some sort
  90. Calculus

    2x -------- (x-2)(x+2) using partial fractions That's supposed to be a division sign of some sort
  91. Calculus

    Find al points where tangent lines to: (x^2+y^2)^(3/2) = sqrt(x^2+y^2) + x is either horizontal or vertical.
  92. Calculus

    Find al points where tangent lines to: (x^2+y^2)^(3/2) = sqrt(x^2+y^2) + x is either horizontal or vertical.
  93. Calculus-Newton Method Approximation

    1/ 3(x^3) + 1/2(x^2) + 1 = 0, x1 = −3 newtons way to the 4th decimal
  94. Calculus

    10) Evaluate the integral by making the given substitution. ∫sec(5x)tan(5x)dx u=5x
  95. Calculus

    can you show me the steps to evaluate this indefinite integral. s(e/x^4+pie^2/square root of x
  96. Calculus

    Show that Rolle's Theorem applies to the given function for ht eg oven values of x: x=-1 and x=4 for f(x)=3x-x^2+2
  97. multivariable calculus

    show that a=!0 , the equation p=2asin0cos0 describes the sphere centered(a,0,0) at radius|a|
  98. Calculus

    Find an equation of the tangent line to the curve at the given point. y =x^4+4x^2−x,(1,4) y=?
  99. calculus

    If 3x^2 + y^2 = 7 then evaluate the second derivative of y with respect to x when x = 1 and y = 2. Round your answer to 2 decimal places.
  100. Calculus 1

    Use logarithmic differentiation to find the derivative of the following equation. y = (2x+1)^5(x^4−3)^6
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