Calculus (Answer Check)

88,703 results, page 73

  1. calculus

    I solved this problem, can someone check it to make sure I did it right. There are two parts to this intrepation and estimate of the value. Let C(t) be the total value of the US currency (coins and banknotes) in circulation at time, t. The table gives values of this function ...
  2. Calculus--complex numbers

    let z= a+bi be a complex number. it is given that the quotient (z-i)/(z-1) is purely imaginary. show that z lies on a circle and determine the centre and radius of this circle. OK, here's my working out...( i am using "X" as my times symbol) step1: (a+bi-i)/(a+bi-1)X[(a-1)-bi...
  3. English

    A. Zach enjoyed biking to his job at the Bistro Cafe'. the early morning ride gave some serenty to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived. 1. In the above passage, an example of a concrete noun is? ...
  4. English

    Can someone please help me answer these questions and check question 1 please? Thank you. 1) How can words or stories connect generations? Words can allow stories to go through and be passes from generation to generation. 2) How can interactions between generations create ...
  5. Calculus Please Help

    A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following intervals, what is the ...
  6. Calculus Please Help

    A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following intervals, what is the ...
  7. ENGLISH 11

    1. When Thomas Paine writes about reconciliation, he is referring to (1 point) {A.}the southern Colonies staying peacefully connected to the northern Colonies. B.the Colonies staying peacefully connected with Great Britain. C.the Colonists staying peacefully connected to ...
  8. English

    Can you please check these sentences? I forgot to include them before. I really need to check them with you. 1) My family and I have been on holiday in (to?) Greece (he has come back from Greece). We stayed on (not in) Mikonos, a little island... 2) There wasn't (any necessary...
  9. Math (Riemann Sums)

    Measurements of a lake’s width were taken at 15-foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200 but compared to the ...
  10. (For BobPursely )

    Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz. http://www.kursus...
  11. Math check my answer

    During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M = 176 – 0.8A, where M is the maximum heart rate and A is the person’s age. Approximately, at what age would you have a recommended heart rate in beats per minute of 125? (1 ...
  12. calculus

    find f(x,y+k)-f(x,y)/k when f(x,y)=x^2y+2xy^2
  13. Pre Calculus

    Formula: a = b = c
  14. Pre Calculus

    Formula: a = b = c
  15. Calculus

    If a, b, and c are digits for which 7 a 2 -4 8 b ========= c 7 3 then a + b + b = _______ (A) 14 (B) 15 (C) 16 (D) 17 (E) 18
  16. calculus

    how do u find the inverse of 2^-t/4
  17. Calculus?

    If a, b, and c are digits for which 7 a 2 -4 8 b ========= c 7 3 then a + b + b = _______ (A) 14 (B) 15 (C) 16 (D) 17 (E) 18
  18. Calculus

    (1 - x)^4 * (2x - 1)^5 its a derivative how can i solve this?
  19. calculus

    Find f(4) if S (0 to x) dt=xcospix.
  20. Pre calculus

    gfk
  21. Calculus

    Minimize S=x+2y with xy=2 and both x and y > 0
  22. Calculus

    Find the derivative of f 0f x. f(x) = x^2 - 8x - 17 at x = 4
  23. Calculus

    Find the derivative of f 0f x. f(x) = x^2 - 8x - 17 at x = 4
  24. calculus

    f(x)={4x+5 if x<3 17 if x=3 2^x+4 if x>3 determine if f is continuous at x=3
  25. Calculus?

    how do you expand Ln abs(ã7 x^3+2x^2)
  26. calculus

    Let y = sin(x^2-3). find dy.
  27. Calculus

    How do we integrate xlne^x .
  28. Calculus

    How do we integrate 1/lnx.
  29. Calculus- Help please

    I don't know how to do this, so I can't graph it. f(x)= 1/x-4 Thank you for the help.
  30. Calculus

    How do I take the integral of (9t^3 - 3t^2 + t)/3t?
  31. Calculus

    Let f(x)=7x/x–6 Then f'(9)= And after simplifying f'(x)=
  32. calculus

    what is the integral of x^(2)arctan(6x) dx?
  33. Calculus

    What's the derivative of y=400(2)^(x+3)
  34. calculus

    R+10=100+12R
  35. Calculus

    Let a=8, f(x)=|x-8|/x Is the value of the limit 0.
  36. calculus

    what's integration of (tanx)^5?
  37. calculus

    Expand the binomial: y = (x-3)^4
  38. Calculus _HS

    Let f(x) = x2-x-6/x g(x) = x-3, find (f+g)(x) (f-g)(x) (f/g)(x) Help !!! thanks
  39. calculus

    Differentiate the funciton H(x) = (x + x^-1)^3
  40. calculus

    Differentitate the function y =4(pi)^2
  41. differential calculus

    differentiate h(x)= 6x^2 - 1 / x^4 + 5x + 1
  42. 12th AP Calculus

    find the dy/dx of: x^2=(x-y)/(x+y)
  43. Calculus

    find the derivative of f(x)=(3)/(x-2) at x=4
  44. calculus

    differentiate y = (cos x)/ (x^9)
  45. calculus

    Find the derivative of: g(x)=ln(ln(x+1))+e^(x^(3/2)+(x/3))
  46. Calculus

    what is the limit of x/(ln x) as x approaches 0?
  47. calculus

    differentiate y=x sin((4)/x)
  48. calculus

    why is the derivative of f(x)= e^lnx f'(x)=1?
  49. calculus

    solve 4x^3-6x+2=0 for all x
  50. calculus

    how do i reduced 76/100
  51. Calculus

    if h(x)= (the antiderivative of) 2x^2 +8x-5 dx find h'(x)
  52. calculus ab

    What is the integral of sin4xcos4x dx?
  53. calculus ab

    What is the integral of sin4xcos4x dx?
  54. Calculus

    Find: 1)x^2-y^2=15, normal at (-8,7)
  55. calculus

    what is the limit as x -> 0+ (0 from the right) of |x|/x?
  56. calculus

    lim x->(pi/3) (cos x -(1/2))/(x-(pi/3)) is?
  57. calculus

    how do you integrate 30x^2/(x-2)(x+3)(x-5)
  58. calculus

    how do you integrate 30x^2/(x-2)(x+3)(x-5)
  59. calculus

    how do you intergrate (sqrt(ln r))/r
  60. Calculus

    Let P(x,y)=5x^3y+8xy^3. Then Px(-1,1) is? And Pxy(-1,1) is?
  61. calculus

    what's the derivative of cos3x
  62. Calculus

    Find the F^(-1) (6) - inverse f(x) = x^5 + 3x^3 + x + 1
  63. Calculus

    Solve for x 100 x (1/2)^t/3.8
  64. Calculus

    Solve for t 100 x (1/2)^t/3.8
  65. Calculus

    If f(t)=(t^2+6t+2)(3t^2+3) then f'(t)=_____? and f'(3)=______?
  66. Calculus

    If f(x)=6arcsin(x^3) find f'(x)
  67. Calculus

    Given that f(x)=x^6h(x) h(-1)=3 h'(-1)=6 Calculate f'(-1).
  68. calculus

    solve for x: a)e^x=5 b) lnx=2
  69. Calculus

    Find the Derivative of (7x^2-6)^8(-4x^2-3)^9
  70. calculus

    find the intercept of y=4x^2+3
  71. calculus

    how do you solve e^(9ln2)
  72. Calculus

    cos4x^2 + sin4x^2?
  73. Calculus

    What is the derivative of f(x)=5^x log6(x)?
  74. calculus

    what is the derivative of (sin^2)x ?
  75. Calculus

    What is the difference between f'(x), y', and dy/dx?
  76. Calculus

    What are the critical points of f(x)= e^x / 3+e^x?
  77. calculus

    find dy/dx x=sin y
  78. calculus

    what is the derivative of y = (1/2)xln(x)
  79. calculus

    derivative of f(y)=yln(1+e^y)
  80. calculus

    find the derivative (1+x)(2+x)....(10+x)
  81. calculus

    find the derivative of f(x)= ln ln ln x
  82. Calculus

    What is the orthogonal trajectory of y^2 - x^2 = C ??
  83. Pre-Calculus

    How do I find xy^-2(xy^2 - 4y^4) ??
  84. calculus

    what is the square root of 64?
  85. calculus

    f(x) = tan^2x+ sinx then f ' (pi/4) =
  86. Pre-Calculus

    How do you factor x^3 - 64?
  87. calculus

    find the area of x^2+x+2 and 3x+3
  88. calculus

    If: Y(s)=16s2-5s Find Y'(s).
  89. calculus

    Is the function f(x)=x²(4-x)² even?
  90. Calculus

    If Y(s)=(1/16s^2)-(1/5s) Find Y'(s).
  91. calculus

    Find f'(a) for f(x)=13x/3x+1
  92. calculus

    How do I integrate 1-e^-kt from 0 to infinity?
  93. calculus

    Given f(x)=x^2-4 and g(x)=1-x and k(g(x))=f(x) find k(x) and then k'(x).
  94. calculus

    find the derivative of g(y)= (y^2/(y+3))^3
  95. calculus

    Evaluate lim as x-> 1 (x^2 + |x -1| - 1 ) / ( |x-1| )
  96. calculus

    evaluate the integral: (x^3)/((x^2)+1)
  97. Calculus

    Dy/dx of e^4square root of x
  98. Calculus

    Dy/dx of e^4square root of x
  99. Calculus

    derivative of cot(6/x)
  100. Calculus

    derivative of (4Cos^2(3x)+3)^2
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