Pre-Calc

8,272 results
  1. Pre-Calc

    Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
  2. Pre-Calc

    I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 -
  3. Pre-Calc/Calc

    Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)
  4. Pre Calc

    Does this: sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what the roots are.
  5. Pre-Calc

    This is the last question on my pre-calc homework, I looked through the textbook and have no idea how to do this. Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round
  6. Calc or Pre calc

    I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2
  7. math

    Hi, How do I improve my math skills? I can't calculate in my head (I.e 2x43), I would actually have to write it down to solve it. I took pre-calc, calc and didn't have problem understanding. I don't know what is wrong. what should I do?
  8. Pre-Calculus

    Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
  9. Pre Calc

    How do I do this?... Sq Rt[(9*Sq Rt(3x^2))]
  10. pre calc

    13-5e^2x=3
  11. pre calc

    g(1/2)=-(1/2)^2+7(1/2)-7
  12. pre calc

    (1/x^2-49)/(1/x+7)?
  13. Pre Calc

    please h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 2 5 7 6 7
  14. Pre Calc

    h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5
  15. Pre-Calc

    2-2
  16. pre-calc

    (3^-2+4^-2)^-1/2
  17. Pre-Calc

    f/g=? Given that f(x)=x^2-9 x and g(x)=x + 14
  18. pre-calc

    (3^-2+4^-2)^-1/2
  19. pre calc need help

    solve. 4x+2/3 - 3/4 = 1/2
  20. Pre-Calc

    Help please Find f(2) and f(a+h) when f(x)=3x^2+2x+4
  21. Pre Calc

    Simplify: n!-(n-1)! --------- (n-1)!
  22. pre-calc

    (8y2+3y-7)(3y+4)
  23. pre-calc

    3-log(x+2)=5
  24. pre calc

    Example 1: Let f(x) = ex and g(x) = ãx Find: (a) f(g(x)) (b) g(f(x))
  25. pre-calc

    what are the asymtopes of 2x/x-3
  26. pre calc

    simplify: 2^x X 2^y +2^x X 2^y + 2^x X 2^y + 2^x X 2^y
  27. Pre-Calc

    How would I solve: X^(4/3)+X^(2/3)=28
  28. Pre Calc

    Solve for A and B if: 1 A B ----- = --- + --- k(k+1) k k+1
  29. Pre calc

    Please finish y+7=6/7x-30/7
  30. Pre Calc

    Simplify (n+1)!/(n-1)! Help please?
  31. Pre Calc

    the domain of g(x)=x^3-2x-1
  32. Pre Calc

    Solve for x: |4x+6|-|2x-1|<5
  33. Pre-Calc

    help please For f(x)=3x+1 and g(x)=x^2-6 find (f-g)(x) A. x^2-3x-7 B. 7+3x-x^2 C. 3x^2-17 D. -x^2+3x-5
  34. pre calc

    5x+3yi=5-6i?
  35. pre calc

    f(x)=1/x+2 how do i solve this
  36. Pre Calc

    ln (x^2 +x-12)=3ln2
  37. pre-calc

    how do i solve this w(4-w^2)=8-w^3
  38. Pre Calc

    If the equation is y = -x^2 + 6/2 Would it become y = x^2 + 3? Or would it be y = x^2/2 + 3? Thanks.
  39. pre calc

    (4^x2)^2 mulipled by 1/(4^5x)=64
  40. pre-calc

    how would you solve x^(5/2)(x^(1/2)- 1/x^(1/2))
  41. Pre-calc

    Logx16=-2
  42. Pre-Calc/Trig...

    If f(x)=1/(x+2), what is f(3+h)? A. 1/(3+h) B. 1/(h+5) C. 1/(x+2)(3+h) D. (3+h)(x+2)
  43. pre-calc

    how do you factor 3x^-1/2 + 4x^1/2 + x^3/2?
  44. pre-calc

    what does this simplify to: f(x)=x/(x+4)^(1/5)-2
  45. Pre-calc

    how can I divide (3+4i)/(2-5i)?? If there's work, that would help me too
  46. Pre Calc

    solve the quation. t/3+t/5=1.
  47. Pre-Calc Help!!!!!!!!

    cos(2tan^-1(15/8))
  48. Pre-calc

    Focus of the ellipse 9x^2+2y^2=36
  49. pre-calc

    one to one property, 3^x-4=1/27 Need help do not understand
  50. Help please!! For pre-calc

    Logx16=-2 how do you solve this?
  51. Pre Calc

    for how many integers x is the value of -6/(x+1) an integer?
  52. Pre-calc

    2x^2 - 12x - 3y^2 - 24y +60 = 0
  53. Pre calc

    y=5tan1/2(x+pi/4) What is the period?
  54. Pre Calc

    Evaluate the quantity. 4 · P(4, 4) · C(9, 5)
  55. pre calc

    lnX + ln2 = 3
  56. Pre Calc

    Solve 0=e^3x-9e^2x+20e^x
  57. Pre-Calc

    How do I solve this equation? 4^x * (1/2)^3-2x = 8*(2^x)^2
  58. pre calc

    lnX + ln2 = 3
  59. Math

    Please someone help with my pre calc question!
  60. pre-calc

    for f(x)=2^x is f(x) an increasing function.?
  61. Pre calc

    .5ln(x+3) - lnx=0
  62. Pre-Calc

    Eliminate the parameter x = t^2 - 1 and y = t^2 + t
  63. pre calc

    what is the domain and range of f(x) x^3?
  64. Algebra II/ Pre Calc

    ln(12+x)= It is not (ln 12)(ln x) or (ln12x)
  65. pre calc

    f(x)= x^2+5 g(x)= square root x-1 (f/g)(x)
  66. Pre-calc

    Project U onto V. U=(4,2) V=(1,-2) ?? Is there a formula for this?
  67. Pre Calc

    simplify the expression x-4 when x is less than 4
  68. Pre-calc

    use either substitution or elimination 4/x-3/y=0 4y=3x
  69. pre calc

    solve each inequality: (x-4)(x-2)^2(x-3)^2 < 0
  70. Pre-Calc

    for any two linear functions f(x)=ax+b and g(x)=cx+d, is f o g the same as g o f?
  71. Pre Calc

    #3.) The following states about f(x) are true: •
  72. Pre-Calc/Trig...

    what is In e^4.3 equivalent to? How?
  73. Pre-Calc/Trig...

    Assume f(x) = -2x + 8 and g(x) = 3x. What is the value of (f + g)(-1)?
  74. Pre-calc

    Solve 3.3= 1.005^n
  75. Pre-Calc

    cot 19.8 degrees
  76. pre-calc

    |2x+1| greater than or equal to |x-3|
  77. pre calc

    how do you put these in y=mx+b form 3x+5y=8 16-5x=2y
  78. math pre calc

    solve for x. 8^6+3x=16
  79. pre-calc

    for f(x)=2^x is f(x) an increasing function.?
  80. pre calc

    what are some point for the problem y=1/2x+2
  81. pre calc

    3x + 2iy =6 + 10i
  82. pre-calc/ trig

    Sinx=0
  83. Pre-calc/trig

    5=log3(x^2+18)
  84. Pre-Calc

    300=5000^e*.3x
  85. Pre Calc

    sec(cos-1 (4/5))=?
  86. pre-calc

    How do u solve (f-g)(x) when f(x)=4x/7 +7 and g(x)=-6/x Ok so its (f-g)(x)=4x/7 +7 - (-6/x) But how do u simplify it from there? Thanks!
  87. Pre Calc

    f(x)=e^(2x-1) +3 Find the equation of asymptote
  88. pre-calc

    what are all the real zeros for 1x^5+2x^4+4x^3+19x^2+9x-5?
  89. pre-calc

    A={3,4,5,6,7,8,9} B={4,6,8,10} C={8,9,10,11} find the indicated set if A¿B and AUBUC
  90. Pre-Calc/Trig...

    Solve using any method. 1. 2x^2+5x-3=0 2. -x^2+x+1=0
  91. Pre Calc

    f(x)=e^2x-1 +3 **(2x-1) is the power** what is the equation of asymptote
  92. pre-calc

    how would you solve 3/(x+2) - 6/3x = 6/(3x+6) algebraically and graphically?
  93. Pre-calc

    find the domain of (x+2)/x^3-16x
  94. Pre-Calc/Trig...

    vertex form:y-4=-(x-4)^2
  95. Pre-Calc/Trig

    How would I solve this one? I just can't get this one. 6x^2+11x-35=0
  96. pre calc asap

    what is the domain and range of f(x) =x^2
  97. Pre-Calc

    Evaluate the indicated function for f(x)=x^2-8 and g(x)=x-4 (fg)(3) Am i doing this right? ((x^2)-8))(x-4) =(x^3 -12+32)(3) Answer=3x^3 -36+96 Thanks!
  98. Pre-Calc/Trig

    Have i solved this correctly? x^2+3x-28=0 (x+7)(x-4)=0 x=-7 or 4
  99. Pre-Calc/Trig

    How would I solve this? x^2+10x+24=0
  100. Pre calc

    8sinxcosx=1 I don't know where to go after 2sinxcosx=1/4